Differences
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techtalk:ref:carb04 [2024/01/11 01:43] hippysmack |
techtalk:ref:carb04 [2024/01/11 22:52] (current) hippysmack |
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| __Issues with doing this mod include__; \\ | __Issues with doing this mod include__; \\ | ||
| **Tuning**: \\ | **Tuning**: \\ | ||
| - | It can create tuning issues due to "wave reversion". problems. ((gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=16948)) \\ | + | It can create tuning issues due to "wave reversion". problems. ((gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod?t=16948)) \\ |
| **Unwanted noise**: \\ | **Unwanted noise**: \\ | ||
| Some say it will make a chirping sound if you drill the whole baffle plug out. \\ | Some say it will make a chirping sound if you drill the whole baffle plug out. \\ | ||
| - | Others say it will only make the whistling / chirping sound if you take the whole 1-1/4" inch baffle plug out. ((Don Burton http://xlforum.net/forums/showthread.php?t=1392884&page=2)) \\ | + | Others say it will only make the whistling / chirping sound if you take the whole 1-1/4" inch baffle plug out. ((Don Burton https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/131437-drill-holes-in-mufflers/page2?t=1392884&page=2)) \\ |
| - | And a 3/4" hole through it won't make that sound. ((AsSeenOnTV http://xlforum.net/forums/showthread.php?t=1392884)) \\ | + | And a 3/4" hole through it won't make that sound. ((AsSeenOnTV https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/131437-drill-holes-in-mufflers?t=1392884)) \\ |
| **Overall sound**: \\ | **Overall sound**: \\ | ||
| Reportedly, the bike should sound better than the stock. \\ | Reportedly, the bike should sound better than the stock. \\ | ||
| - | This mod adds volume, and more low end 'sound' than the stock version. ((AsSeenOnTV http://xlforum.net/forums/showthread.php?t=1392884)) | + | This mod adds volume, and more low end 'sound' than the stock version. ((AsSeenOnTV https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/131437-drill-holes-in-mufflers?t=1392884)) |
| **Failed inspections**: \\ | **Failed inspections**: \\ | ||
| Once the muffler baffles are drilled, it can easily be detected that you have 'tampered' with them. \\ | Once the muffler baffles are drilled, it can easily be detected that you have 'tampered' with them. \\ | ||
| - | Depending on where you live, your bike may not pass inspection due to this mod. ((AsSeenOnTV http://xlforum.net/forums/showthread.php?t=1392884)) \\ | + | Depending on where you live, your bike may not pass inspection due to this mod. ((AsSeenOnTV https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/131437-drill-holes-in-mufflers?t=1392884)) \\ |
| This was done with a 3/4" hole saw on a 10" drill extension. ((AsSeenOnTV http://xlforum.net/forums/showthread.php?t=1392884)) \\ | This was done with a 3/4" hole saw on a 10" drill extension. ((AsSeenOnTV http://xlforum.net/forums/showthread.php?t=1392884)) \\ | ||
| - | |If exhaust is installed, make sure the set screw in the extension is tight so you don't drop the hole saw inside it. ((photos by bboerst31 of the XLFORUM http://xlforum.net/forums/showthread.php?t=792768)) || | + | |If exhaust is installed, make sure the set screw in the extension is tight so you don't drop the hole saw inside it. ((photos by bboerst31 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/95136-nightster-stock-baffle-mod-comparison-video-inside?t=792768)) || |
| |{{:techtalk:ref:tools:hole_saw_and_drill_extension_1_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:tools:hole_saw_and_drill_extension_2_by_bboerst31.jpg?direct&300|}}| | |{{:techtalk:ref:tools:hole_saw_and_drill_extension_1_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:tools:hole_saw_and_drill_extension_2_by_bboerst31.jpg?direct&300|}}| | ||
| - | |Drill out the center of the baffle (3/4" hole saw used here). ((photos by bboerst31 of the XLFORUM http://xlforum.net/forums/showthread.php?t=792768))||| | + | |Drill out the center of the baffle (3/4" hole saw used here). ((photos by bboerst31 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/95136-nightster-stock-baffle-mod-comparison-video-inside?t=792768))||| |
| |{{:techtalk:ref:carb:drilling_exhaust_baffle_1_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:carb:drilling_exhaust_baffle_2_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:carb:drilling_exhaust_baffle_3_by_bboerst31.jpg?direct&300|}}| | |{{:techtalk:ref:carb:drilling_exhaust_baffle_1_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:carb:drilling_exhaust_baffle_2_by_bboerst31.jpg?direct&300|}}|{{:techtalk:ref:carb:drilling_exhaust_baffle_3_by_bboerst31.jpg?direct&300|}}| | ||
| Other variations: \\ | Other variations: \\ | ||
| - | |Holes drilled around the baffle ((photo by Bob F of the XLFORUM http://xlforum.net/forums/showthread.php?t=1392884))| | + | |Holes drilled around the baffle ((photo by Bob F of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/131437-drill-holes-in-mufflers?t=1392884))| |
| |{{:techtalk:ref:carb:drilled_mufflers_by_bob_f.jpg?direct&300|}}| | |{{:techtalk:ref:carb:drilled_mufflers_by_bob_f.jpg?direct&300|}}| | ||
| ===== Modifying standard mufflers for better flow and sound ===== | ===== Modifying standard mufflers for better flow and sound ===== | ||
| ==== The Gronk Muffler Mod ==== | ==== The Gronk Muffler Mod ==== | ||
| - | Article by gronk62 of the XLFORUM ((http://xlforum.net/forums/showthread.php?t=16948)) \\ | + | Article by gronk62 of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod?t=16948)) \\ |
| This mod is for when you don't like having loud pipes or the 'chuff chuff' sound the standard mufflers make. \\ | This mod is for when you don't like having loud pipes or the 'chuff chuff' sound the standard mufflers make. \\ | ||
| - | The mod gives a great sound with zero metallic blat! ((Don Burton http://xlforum.net/forums/showthread.php?t=16948&page=3)) \\ | + | The mod gives a great sound with zero metallic blat! ((Don Burton https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod/page3?t=16948&page=3)) \\ |
| OEM mufflers are quite restrictive so the baffles were removed with a 1-3/4" hole saw and the holes were drilled bigger. \\ | OEM mufflers are quite restrictive so the baffles were removed with a 1-3/4" hole saw and the holes were drilled bigger. \\ | ||
| Line 77: | Line 77: | ||
| |You'll need to make a guide for the hole saw. \\ The guide slides down and stops at the baffle center piece. \\ The hole in the guide is for the pilot drill in the hole saw.|| | |You'll need to make a guide for the hole saw. \\ The guide slides down and stops at the baffle center piece. \\ The hole in the guide is for the pilot drill in the hole saw.|| | ||
| - | |Hole saw and home made guide. ((photo by gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=16948))|Guide installed, ready for the hole saw. ((photo by flak monkey of the XLFORUM http://xlforum.net/forums/showthread.php?t=1172778))| | + | |Hole saw and home made guide. ((photo by gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod?t=16948))|Guide installed, ready for the hole saw. ((photo by flak monkey of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/120277-my-version-of-gronks-silencer-mod-with-some-vids?t=1172778))| |
| |{{:techtalk:ref:carb:gronk_mod_1_by_gronk62.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_1_by_flak_monkey.jpg?direct&300|}}| | |{{:techtalk:ref:carb:gronk_mod_1_by_gronk62.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_1_by_flak_monkey.jpg?direct&300|}}| | ||
| - | |The top baffle is standard. ((photo by gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=16948))|Note when welding them back in,\\ They don't have to be welded the whole way round. \\ A couple short welds will do. ((photo by gronk62 of the XLFORUM http://xlforum.net/forums/showthread.php?t=16948))| | + | |The top baffle is standard. ((photo by gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod?t=16948))|Note when welding them back in,\\ They don't have to be welded the whole way round. \\ A couple short welds will do. ((photo by gronk62 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/10646-gronk-s-standard-muffler-mod?t=16948))| |
| |{{:techtalk:ref:carb:gronk_mod_2_by_gronk62.jpg?direct&300|}}|{{:techtalk:ref:carb:gronk_mod_3_by_gronk62.jpg?direct&300|}}| | |{{:techtalk:ref:carb:gronk_mod_2_by_gronk62.jpg?direct&300|}}|{{:techtalk:ref:carb:gronk_mod_3_by_gronk62.jpg?direct&300|}}| | ||
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| ===== Removing the Baffle ===== | ===== Removing the Baffle ===== | ||
| ===== Making Your Own Baffles ===== | ===== Making Your Own Baffles ===== | ||
| - | Based on an article by chickenhawk of the XLFORUM ((http://xlforum.net/forums/showthread.php?p=4990236)) \\ | + | Based on an article by chickenhawk of the XLFORUM ((https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235)) \\ |
| This is an easy and cheap way to create some decent Cycle Shack & Screaming Eagle type baffles for a cost of around $7 per baffle. \\ | This is an easy and cheap way to create some decent Cycle Shack & Screaming Eagle type baffles for a cost of around $7 per baffle. \\ | ||
| Line 112: | Line 101: | ||
| * CRIM mod: cut squares or rectangles out of baffle by cutting from hole to hole. | * CRIM mod: cut squares or rectangles out of baffle by cutting from hole to hole. | ||
| * Wrap baffles. | * Wrap baffles. | ||
| - | |||
| **Note**: Check the I.D. of your slip-ons to get the right size pipe to use. \\ | **Note**: Check the I.D. of your slip-ons to get the right size pipe to use. \\ | ||
| Line 118: | Line 106: | ||
| The 2" pipe may not leave enough room between slip-on and baffle for air to be diverted and it may be a bit restrictive. \\ (if you don’t leave the diverter/tongue more open which reduces the fine tuning possibilities) \\ | The 2" pipe may not leave enough room between slip-on and baffle for air to be diverted and it may be a bit restrictive. \\ (if you don’t leave the diverter/tongue more open which reduces the fine tuning possibilities) \\ | ||
| If you have very little midrange lag and just want less harsh sound of open pipes, then the 2" pipe should work fine. \\ | If you have very little midrange lag and just want less harsh sound of open pipes, then the 2" pipe should work fine. \\ | ||
| - | Just leave the diverter more open and fine tune as needed. ((chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236)) | + | Just leave the diverter more open and fine tune as needed. ((chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235)) |
| - | |Buy a short piece of pipe for the baffle. Auto parts stores or your local muffler shop (cheaper). \\ Muffler shops can also flare the ends for you. ((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))|| | + | |Buy a short piece of pipe for the baffle. Auto parts stores or your local muffler shop (cheaper). \\ Muffler shops can also flare the ends for you. ((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))|| |
| |{{:techtalk:ref:carb:make_your_own_baffles_1_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_2_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_1_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_2_by_chickenhawk.jpg?direct&300|}}| | ||
| Cut the slot for the diverter with a hacksaw. \\ | Cut the slot for the diverter with a hacksaw. \\ | ||
| - | |Cut for the diverter/tongue. \\ To get the rounded looking cut for the diverter, start about 1/2" to 1" from one of the bends. \\ Cut at an angle. Stop when you are around the half way mark. \\ A rounded cut should help the diverter follow the contour of the inside of the baffle when it’s bent down.((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))|| | + | |Cut for the diverter/tongue. \\ To get the rounded looking cut for the diverter, start about 1/2" to 1" from one of the bends. \\ Cut at an angle. Stop when you are around the half way mark. \\ A rounded cut should help the diverter follow the contour of the inside of the baffle when it’s bent down.((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))|| |
| |{{:techtalk:ref:carb:make_your_own_baffles_3_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_4_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_3_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_4_by_chickenhawk.jpg?direct&300|}}| | ||
| Line 145: | Line 133: | ||
| And, on the 1-3/4" baffle, try to bend the diverter down so there is about a 3/16" to 1/4" gap between diverter and the inside walls of the baffle. \\ | And, on the 1-3/4" baffle, try to bend the diverter down so there is about a 3/16" to 1/4" gap between diverter and the inside walls of the baffle. \\ | ||
| - | + | |Depress the diverter. The trick is to get the depression started. \\ Then use a dowel or a small diameter pipe for the rest of the bending.((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))|| | |
| - | |Depress the diverter. The trick is to get the depression started. \\ Then use a dowel or a small diameter pipe for the rest of the bending.((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))|| | + | |
| |{{:techtalk:ref:carb:make_your_own_baffles_5_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_6_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_5_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_6_by_chickenhawk.jpg?direct&300|}}| | ||
| |{{:techtalk:ref:carb:make_your_own_baffles_7_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_8_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_7_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_8_by_chickenhawk.jpg?direct&300|}}| | ||
| Line 161: | Line 148: | ||
| Drill more as needed after testing if you like. \\ | Drill more as needed after testing if you like. \\ | ||
| - | |Standard baffle ((photo by flak monkey of the XLFORUM http://xlforum.net/forums/showthread.php?t=1172778))|Holes in the baffle partially drilled out. ((photo by flak monkey of the XLFORUM http://xlforum.net/forums/showthread.php?t=1172778))| | + | |Standard baffle ((photo by flak monkey of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/120277-my-version-of-gronks-silencer-mod-with-some-vids?t=1172778))|Holes in the baffle partially drilled out. ((photo by flak monkey of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/120277-my-version-of-gronks-silencer-mod-with-some-vids?t=1172778))| |
| |{{:techtalk:ref:carb:make_your_own_baffles_3_by_flak_monkey.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_4_by_flak_monkey.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_3_by_flak_monkey.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_4_by_flak_monkey.jpg?direct&300|}}| | ||
| Line 181: | Line 168: | ||
| If you need to drill a mounting hole in your exhaust, then make sure the size of hole corresponds with the bolt you are using for mounting. \\ | If you need to drill a mounting hole in your exhaust, then make sure the size of hole corresponds with the bolt you are using for mounting. \\ | ||
| - | |Drill hole locations are easily marked using tape ((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))| | + | |Drill hole locations are easily marked using tape ((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))| |
| |{{:techtalk:ref:carb:make_your_own_baffles_9_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_9_by_chickenhawk.jpg?direct&300|}}| | ||
| Finished Products: \\ | Finished Products: \\ | ||
| - | |1-3/4" Baffle ((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))|| | + | |1-3/4" Baffle ((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))|| |
| |{{:techtalk:ref:carb:make_your_own_baffles_10_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_12_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_10_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_12_by_chickenhawk.jpg?direct&300|}}| | ||
| - | |2" Baffle ((photos by chickenhawk of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236))|| | + | |2" Baffle ((photos by chickenhawk of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235))|| |
| |{{:techtalk:ref:carb:make_your_own_baffles_13_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_14_by_chickenhawk.jpg?direct&300|}}| | |{{:techtalk:ref:carb:make_your_own_baffles_13_by_chickenhawk.jpg?direct&300|}}|{{:techtalk:ref:carb:make_your_own_baffles_14_by_chickenhawk.jpg?direct&300|}}| | ||
| Line 196: | Line 183: | ||
| They rest against your exhaust port. \\ | They rest against your exhaust port. \\ | ||
| Prices can be from about $10 from Mid-USA, $30 kuruakyn and $85 from Sampson. \\ | Prices can be from about $10 from Mid-USA, $30 kuruakyn and $85 from Sampson. \\ | ||
| - | They give some bottom and mid range back as well as help to smooth out the sound. ((thesavageone33 of the XLFORUM http://xlforum.net/forums/showthread.php?p=4990236)) \\ | + | They give some bottom and mid range back as well as help to smooth out the sound. ((thesavageone33 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/87590-instructions-for-homemade-tunable-cs-se-type-baffles#post3626235)) \\ |
| |{{:techtalk:ref:carb:torque_cones_by_biknut.jpg?direct&300|}}| | |{{:techtalk:ref:carb:torque_cones_by_biknut.jpg?direct&300|}}| | ||
| - | | Torque Cones ((photo by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=643292)) | | + | | Torque Cones ((photo by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/84792-getting-new-pipes-torque-cones-needed?t=643292)) | |
| ====== Lollipops ====== | ====== Lollipops ====== | ||
| - | {{ :techtalk:ref:carb:lollipop_drawing_by_shotgun46.jpg?direct&200|}} ((drawing by shotgun46 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1552356&page=2)) \\ | + | {{ :techtalk:ref:carb:lollipop_drawing_by_shotgun46.jpg?direct&200|}} ((drawing by shotgun46 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/143249-pfft-sound-engine-pause-while-driving/page2?t=1552356&page=2)) \\ |
| * A "Lollipop" is a cheap simple way of achieving back pressure on the pipes and creating anti-reversion. | * A "Lollipop" is a cheap simple way of achieving back pressure on the pipes and creating anti-reversion. | ||
| - | * The length of the headers determines at what RPM range the reversion (loss in torque happens). The shorter the pipe, the higher up in the RPM range it is. This is harmonics. There are two parts to the harmonics... the reversion wave reducing power, and the scavenging wave increasing power (higher RPM). The less restrictive the baffle is, the greater these effects. Drag pipes, being the least restrictive baffle (no baffle). ((Weo from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=3)) | + | * The length of the headers determines at what RPM range the reversion (loss in torque happens). The shorter the pipe, the higher up in the RPM range it is. This is harmonics. There are two parts to the harmonics... the reversion wave reducing power, and the scavenging wave increasing power (higher RPM). The less restrictive the baffle is, the greater these effects. Drag pipes, being the least restrictive baffle (no baffle). ((Weo from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page3?t=581172&highlight=lollipop+baffle&page=3)) |
| - | * The lollipops reduce flow, thereby breaking up the harmonics. This reduces the waves... both the lower RPM reversion loss, and the higher RPM scavenging boot. Since a lot of people with drags don't ride at WOT 24/7 (unless its actually a drag bike), its often worthwhile to reduce the lower RPM torque dip, even though there's a slight decrease in top end. ((Weo from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=3)) | + | * The lollipops reduce flow, thereby breaking up the harmonics. This reduces the waves... both the lower RPM reversion loss, and the higher RPM scavenging boot. Since a lot of people with drags don't ride at WOT 24/7 (unless its actually a drag bike), its often worthwhile to reduce the lower RPM torque dip, even though there's a slight decrease in top end. ((Weo from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page3?t=581172&highlight=lollipop+baffle&page=3)) |
| - | * This is why long drag pipes used to be popular with actual riders on the street. If the pipe is long enough, the reversion range is lower than general riding RPM. Of course, there's a little more restriction overall on the longer pipes too. ((Weo from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=3)) | + | * This is why long drag pipes used to be popular with actual riders on the street. If the pipe is long enough, the reversion range is lower than general riding RPM. Of course, there's a little more restriction overall on the longer pipes too. ((Weo from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page3?t=581172&highlight=lollipop+baffle&page=3)) |
| - | * Lollipops were originally used on Ironheads with drag pipes and shorties although they will work on any model with straight pipes and no baffles. They will also work in addition of torque cones. You can vary the angle and feel performance changes ((IronMick from the XLFORUM http://xlforum.net/forums/showthread.php?threadid=2010398)) although generally 30-45 degrees seems to be the sweet spot. | + | * Lollipops were originally used on Ironheads with drag pipes and shorties although they will work on any model with straight pipes and no baffles. They will also work in addition of torque cones. You can vary the angle and feel performance changes ((IronMick from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/188793-lollipop-look-right?threadid=2010398)) although generally 30-45 degrees seems to be the sweet spot. |
| * Officially, the use of this modification should be considered for 'off road' use. ((http://www.nightrider.com/biketech/copyright_notice.htm)) | * Officially, the use of this modification should be considered for 'off road' use. ((http://www.nightrider.com/biketech/copyright_notice.htm)) | ||
| - | + | | Thunder Monsters (fancy lollipops) ((photo by biknut of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/84792-getting-new-pipes-torque-cones-needed?t=643292)) | | |
| - | | Thunder Monsters (fancy lollipops) ((photo by biknut of the XLFORUM http://xlforum.net/forums/showthread.php?t=643292)) | | + | |
| |{{:techtalk:ref:carb:thunder_monsters_by_biknut.jpg?direct&300|}}| | |{{:techtalk:ref:carb:thunder_monsters_by_biknut.jpg?direct&300|}}| | ||
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| ===== Results ===== | ===== Results ===== | ||
| The results of using lollipops are concurrent with each other for the most part: | The results of using lollipops are concurrent with each other for the most part: | ||
| - | * They don't have as much impact on sound as they do on torque although the sound does change just a little, you can tune your low end torque quite noticeably. I got the most low end with them at 90*, but ended up with them at about 45* (on my bike I lost some top end with them at 90*). But I can tell you that I don't need to downshift at lower speeds like I used to. ((Baldielox from the XLforum http://xlforum.net/forums/showthread.php?t=99950&highlight=lollipop)) | + | * They don't have as much impact on sound as they do on torque although the sound does change just a little, you can tune your low end torque quite noticeably. I got the most low end with them at 90*, but ended up with them at about 45* (on my bike I lost some top end with them at 90*). But I can tell you that I don't need to downshift at lower speeds like I used to. ((Baldielox from the XLforum https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/41597-made-a-set-of-lollipop-baffles?t=99950&highlight=lollipop)) |
| - | * The sound stays the same when going to throttle, Gives you more torque overall to the motor as it quiets the decel noise overall by giving more backpressure to the pipes. As you decelerate, not only does it do away with the crackling sound but with shorter pipes, it tends to amply the popping sound as you roll off the throttle, and the lollipops reduce the pop in the shorter pipe chambers. ((xlentt01 from the XLFORUM http://xlforum.net/forums/showthread.php?t=99950&highlight=lollipop)) | + | * The sound stays the same when going to throttle, Gives you more torque overall to the motor as it quiets the decel noise overall by giving more backpressure to the pipes. As you decelerate, not only does it do away with the crackling sound but with shorter pipes, it tends to amply the popping sound as you roll off the throttle, and the lollipops reduce the pop in the shorter pipe chambers. ((xlentt01 from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/41597-made-a-set-of-lollipop-baffles?t=99950&highlight=lollipop)) |
| - | * With mine I would'nt say it quieted the exhaust, but it definitly tones the raspy crackly how ever you want to put it sound down and no more deceleration noise. It has a more powerful bassy sound now.((dave76 from the XLFORUM http://xlforum.net/forums/showthread.php?t=99950&highlight=lollipop)) | + | * With mine I would'nt say it quieted the exhaust, but it definitly tones the raspy crackly how ever you want to put it sound down and no more deceleration noise. It has a more powerful bassy sound now.((dave76 from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/41597-made-a-set-of-lollipop-baffles?t=99950&highlight=lollipop)) |
| - | * I can say that it undoubtedly gave me better low-end response, and quicker accelleration from stopped AND rolling in first and second gear. ((SLS from the XLFORUM http://xlforum.net/forums/showthread.php?t=247790)) | + | * I can say that it undoubtedly gave me better low-end response, and quicker accelleration from stopped AND rolling in first and second gear. ((SLS from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware?t=247790)) |
| - | * I made a set an tried them out. Fully closed is pretty quiet, really too quiet and a struggle past 5,000 rpm or so, turned them about 1/4 closed and sounds good and it possibly may be torquier. ((1982ironhead from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=4)) | + | * I made a set an tried them out. Fully closed is pretty quiet, really too quiet and a struggle past 5,000 rpm or so, turned them about 1/4 closed and sounds good and it possibly may be torquier. ((1982ironhead from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page4?t=581172&highlight=lollipop+baffle&page=4)) |
| * This is a dyno chart from Nightrider.com where lollipops were tested at different angles, look at the dip in the powerband at 007, of course 007 run is 0° or straight through, 006 run is at 45°, and 005 run is at 90°. Even at 90° it seems you only lost 2 HP on top. Powerband dip range will vary with your specific pipe lengths. Click to enlarge | * This is a dyno chart from Nightrider.com where lollipops were tested at different angles, look at the dip in the powerband at 007, of course 007 run is 0° or straight through, 006 run is at 45°, and 005 run is at 90°. Even at 90° it seems you only lost 2 HP on top. Powerband dip range will vary with your specific pipe lengths. Click to enlarge | ||
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| {{techtalk:ref:carb:dyno_chart_with_lillipops_from_nightrider.com.jpg?direct&400|}} | {{techtalk:ref:carb:dyno_chart_with_lillipops_from_nightrider.com.jpg?direct&400|}} | ||
| Line 231: | Line 215: | ||
| * The author of this chart does not assume responsibility for damages or problems arising from changing or the modification of any vehicle due to information obtained from this WEB site ((http://www.nightrider.com/biketech/exhaust.htm)) or technical questions posted through E-Mail for response. The use of these modifications is assumed to be for off road purposes only and the owner of the modified vehicle using this or similar information assumes full responsibility for changes made. | * The author of this chart does not assume responsibility for damages or problems arising from changing or the modification of any vehicle due to information obtained from this WEB site ((http://www.nightrider.com/biketech/exhaust.htm)) or technical questions posted through E-Mail for response. The use of these modifications is assumed to be for off road purposes only and the owner of the modified vehicle using this or similar information assumes full responsibility for changes made. | ||
| - | + | **Some people are not at all sold on the idea of using lollipops**. This gets into another one of those debates over using better pipes rather than drags for street use, although lollipops will give you better lower end torque which is a proven improvement for street use. Some are completely sold on running drag pipes which will have to be in another discussion. \\ | |
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| - | **Some people are not at all sold on the idea of using lollipops**. This gets into another one of those debates over using better pipes rather than drags for street use, although lollipops will give you better lower end torque which is a proven improvement for street use. Some are completely sold on running drag pipes which will have to be in another discussion. | + | |
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| ===== Different Materials Used ===== | ===== Different Materials Used ===== | ||
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| |{{techtalk:ref:carb:lollipop_by_mathormell.jpg?direct&300|}}| | |{{techtalk:ref:carb:lollipop_by_mathormell.jpg?direct&300|}}| | ||
| - | |Simple and easy but loud! ((photo by MatHormell http://xlforum.net/forums/showthread.php?t=1980110&highlight=engine+sprocket&page=3))| | + | |Simple and easy but loud! ((photo by MatHormell https://www.xlforum.net/forum/sportster-buell-motorcycle-racing/sportster-motorcycle-drag-racing/184569-90-in-build/page3?t=1980110&highlight=engine+sprocket&page=3))| |
| - | + | * Below is a list of some different materials used by [[https://www.xlforum.net/|XLFORUM]] members: | |
| - | * Below is a list of some different materials used by [[http://xlforum.net|XLFORUM]] members: | + | * (2)- 1" 'I' bolts with 1/4" threads and 1" washers. ((pugster from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/80284-lollipop-baffle?t=586032&highlight=lollipop)) |
| - | * (2)- 1" 'I' bolts with 1/4" threads and 1" washers. ((pugster from the XLFORUM http://xlforum.net/forums/showthread.php?t=586032&highlight=lollipop)) | + | * 1/2 inch washers, coned them with a vise and welded them to the head of 1/4 x 1" bolts, installed them into 2-1/2" SE slip-ons ((Custom73 from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/80284-lollipop-baffle?t=586032&highlight=lollipop)) |
| - | * 1/2 inch washers, coned them with a vise and welded them to the head of 1/4 x 1" bolts, installed them into 2-1/2" SE slip-ons ((Custom73 from the XLFORUM http://xlforum.net/forums/showthread.php?t=586032&highlight=lollipop)) | + | * Get some 1/4 x 24NC eyebolts, drill a hole in the end of your pipe, then bolt them in with the eye part sitting in the center of your exhaust pipe... ((snowman from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out?t=581172&highlight=lollipop+baffle)) |
| - | * Get some 1/4 x 24NC eyebolts, drill a hole in the end of your pipe, then bolt them in with the eye part sitting in the center of your exhaust pipe... ((snowman from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle)) | + | * 1 is made from a 1/2" penny washer and the other a 3/4" ((XLdaveR from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out?t=581172&highlight=lollipop+baffle)) |
| - | * 1 is made from a 1/2" penny washer and the other a 3/4" ((XLdaveR from the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle)) | + | * First, you will need 2 washers that are 1.25" OD with 1/2" holes in them, (2)- 1/4" bolts that are 1/2" to 1" in length (this depends on the diameter or your pipes!), and either (2) or (4) 1/4" nuts and lockwashers (again, whether you use 2 of them or 4 of them will depend on your pipe diameter). My pipes are 1-3/4", so I only needed (2)- 1/2" bolts and 2 nuts and washers.....2 inch and up will need all 4 nuts in order to space the cones in the center if the pipes. ((SLS from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware?t=247790)) |
| - | * First, you will need 2 washers that are 1.25" OD with 1/2" holes in them, (2)- 1/4" bolts that are 1/2" to 1" in length (this depends on the diameter or your pipes!), and either (2) or (4) 1/4" nuts and lockwashers (again, whether you use 2 of them or 4 of them will depend on your pipe diameter). My pipes are 1-3/4", so I only needed (2)- 1/2" bolts and 2 nuts and washers.....2 inch and up will need all 4 nuts in order to space the cones in the center if the pipes. ((SLS from the XLFORUM http://xlforum.net/forums/showthread.php?t=247790)) | + | * The most efficient device would be a washer - 1-1/8" OD X 3/4" ID having a 14 or 16 guage thickness with a 7/8" rod pushed completely through its center giving it the smooth bell shape. Then weld this conical annulus to a small bolt that affixes it in the center of the 1 3/4" drag pipe about 2" in from the short side of the slash cut drag pipe(s). Such a device would be able to break up the Reversion packet on the way out AND slow its reformation when reflected back by compressing the fragments slightly. One can experiment with different size rods to push through the center if needed but I think this one would not need to be tilted to work and would be the least restrictive when going for the WOT scenario. ((Fe Head of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page3?t=581172&highlight=lollipop+baffle&page=3)) |
| - | * The most efficient device would be a washer - 1-1/8" OD X 3/4" ID having a 14 or 16 guage thickness with a 7/8" rod pushed completely through its center giving it the smooth bell shape. Then weld this conical annulus to a small bolt that affixes it in the center of the 1 3/4" drag pipe about 2" in from the short side of the slash cut drag pipe(s). Such a device would be able to break up the Reversion packet on the way out AND slow its reformation when reflected back by compressing the fragments slightly. One can experiment with different size rods to push through the center if needed but I think this one would not need to be tilted to work and would be the least restrictive when going for the WOT scenario. ((Fe Head of the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=3)) | + | * If one wishes to be really aerodynamically correct then take an oversized tube say thin walled 3/8" I.D. and cut to length so it holds the washer in the center and then pinch it on each side when it is on the bolt or even just one side so it can act like a wing to lift the exhaust around the bolt and eliminate that inner nut by using two jam nuts on the outside to hold the conical washer vertically. ((Fe Head of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/79785-can-someone-put-pick-of-lolipop-baffles-i-want-to-try-em-out/page3?t=581172&highlight=lollipop+baffle&page=3)) |
| - | * If one wishes to be really aerodynamically correct then take an oversized tube say thin walled 3/8" I.D. and cut to length so it holds the washer in the center and then pinch it on each side when it is on the bolt or even just one side so it can act like a wing to lift the exhaust around the bolt and eliminate that inner nut by using two jam nuts on the outside to hold the conical washer vertically. ((Fe Head of the XLFORUM http://xlforum.net/forums/showthread.php?t=581172&highlight=lollipop+baffle&page=3)) | + | |
| * For those of you who are willing to experiment more, the size of the washer can be increased as can the size of the hole in the washer. A strong spring can be used to hold the washer in place in relationship to the pipe and a "wing nut" arrangement can be used to adjust the angle of the washer. ((http://www.nightrider.com/biketech/exhaust.htm)) | * For those of you who are willing to experiment more, the size of the washer can be increased as can the size of the hole in the washer. A strong spring can be used to hold the washer in place in relationship to the pipe and a "wing nut" arrangement can be used to adjust the angle of the washer. ((http://www.nightrider.com/biketech/exhaust.htm)) | ||
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| ===== Fabrication for 'Tunable' Lollipops ===== | ===== Fabrication for 'Tunable' Lollipops ===== | ||
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| * The word, tunable, is synonymous with (angle change-ability). | * The word, tunable, is synonymous with (angle change-ability). | ||
| | | ||
| <blockquote> | <blockquote> | ||
| * You want to 'cone' the washers to a depth of 1/4". I did this using a 13/16" socket and a 7/16" socket in a vise. I found a long 'cheater bar' gave me the needed 'oomph' to 'cone' them nicely. Next, I lightly chucked the bolts (heads up) into my vise, switched on the MIG, and attached the coned washers to the tops of the bolt heads....taking care that the were centered and straight. I then drilled my hole starting with a 3/32 bit and then a 5/32....and then the 1/4. Do yourself a favor and 'wallow' the hole out just a little bit....you'll need the extra room when inserting the cones! You don't want to use a 1'' bolt with a 1-3/4" pipe! It just won't fit! Use a Dremil with a cut-off wheel so the bolts quickly became 1/2" long. Always do yourself a favor and thread a nut onto the bolt before cutting it off, because backing the nut off AFTER the cut is made will 'clean' the threads for you....making assembly a breeze. You want the 'cone' to be pointing forward (towards the engine!). You will also want in the neighborhood of a 30 degree turn in the washer's relation to the tube. Also, try and get both cones at the same angle in your pipes. I found using a screwdriver placed in the 'eye' of the washer and a 7/16 wrench did the trick. | * You want to 'cone' the washers to a depth of 1/4". I did this using a 13/16" socket and a 7/16" socket in a vise. I found a long 'cheater bar' gave me the needed 'oomph' to 'cone' them nicely. Next, I lightly chucked the bolts (heads up) into my vise, switched on the MIG, and attached the coned washers to the tops of the bolt heads....taking care that the were centered and straight. I then drilled my hole starting with a 3/32 bit and then a 5/32....and then the 1/4. Do yourself a favor and 'wallow' the hole out just a little bit....you'll need the extra room when inserting the cones! You don't want to use a 1'' bolt with a 1-3/4" pipe! It just won't fit! Use a Dremil with a cut-off wheel so the bolts quickly became 1/2" long. Always do yourself a favor and thread a nut onto the bolt before cutting it off, because backing the nut off AFTER the cut is made will 'clean' the threads for you....making assembly a breeze. You want the 'cone' to be pointing forward (towards the engine!). You will also want in the neighborhood of a 30 degree turn in the washer's relation to the tube. Also, try and get both cones at the same angle in your pipes. I found using a screwdriver placed in the 'eye' of the washer and a 7/16 wrench did the trick. | ||
| - | * Speaking of 'favors', get a magnetic probe (or pickup) tool. Not only is it great for getting nuts, bolts, etc. out of tight places where fingers cannot fit (and eyes cannot see), but I found I needed it to get the Cones in place. Fingers and pliers were just not working, but the magnetic probe held it at the PERFECT angle to slip it down the pipe and into the hole. ((SLS from the XLFORUM http://xlforum.net/forums/showthread.php?t=247790)) | + | * Speaking of 'favors', get a magnetic probe (or pickup) tool. Not only is it great for getting nuts, bolts, etc. out of tight places where fingers cannot fit (and eyes cannot see), but I found I needed it to get the Cones in place. Fingers and pliers were just not working, but the magnetic probe held it at the PERFECT angle to slip it down the pipe and into the hole. ((SLS from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware?t=247790)) |
| </blockquote> | </blockquote> | ||
| * You can tune the baffle by changing the angle of the thumbscrew or washer to the exhaust pipe. For maximum torque, the washer will be at 90 degree angle to the pipe. For maximum horsepower the washer will be parallel to the pipe. ((http://www.nightrider.com/biketech/exhaust.htm)) | * You can tune the baffle by changing the angle of the thumbscrew or washer to the exhaust pipe. For maximum torque, the washer will be at 90 degree angle to the pipe. For maximum horsepower the washer will be parallel to the pipe. ((http://www.nightrider.com/biketech/exhaust.htm)) | ||
| * As you can see from the different materials list, it isn't necessary to 'have' to 'cone' the washers but this is another version is all. Each will have it's own result in each unique bike/ engine/ placement/ size and angle setup. | * As you can see from the different materials list, it isn't necessary to 'have' to 'cone' the washers but this is another version is all. Each will have it's own result in each unique bike/ engine/ placement/ size and angle setup. | ||
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| ===== Placement of Lollipops ===== | ===== Placement of Lollipops ===== | ||
| - | + | * The closer to the end of the pipe the better, but I prefer to place them up in the pipe a little bit to conceal them. Doing this mod will decrease top end horsepower by 2 or 3 rwhp, but the mid range will come alive & thats where it matters on the street. ((ironhead red from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware/page3?t=247790&page=3)) | |
| - | * The closer to the end of the pipe the better, but I prefer to place them up in the pipe a little bit to conceal them. Doing this mod will decrease top end horsepower by 2 or 3 rwhp, but the mid range will come alive & thats where it matters on the street. ((ironhead red from the XLFORUM http://xlforum.net/forums/showthread.php?t=247790&page=3)) | + | * I wrapped a dollar bill around the pipe and made a mark. Ended up being 2-1/2" from the short end of the slash cut. ((DogBunny https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware/page3?t=247790&page=3)) |
| - | * I wrapped a dollar bill around the pipe and made a mark. Ended up being 2-1/2" from the short end of the slash cut. ((DogBunny http://xlforum.net/forums/showthread.php?t=247790&page=3)) | + | * You want to place the Cones at least 2 inches inside your pipes (outlet end!) to achieve the desired results. To find 2" I simply used a short strip of 2" duct tape, wraping it around the pipe, using the shorter of end of my 'slash cut' as a reference point. I then marked the spot where I wanted the hole with a pencil. I want the bolts to be 'hidden' (on the backside of the pipe)and not sticking out the bottom. ((SLS from the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-styles/chopper-bobber-talk/53450-birth-of-a-anti-reversion-cone-for-dragpipes-dialup-beware?t=247790)) |
| - | * You want to place the Cones at least 2 inches inside your pipes (outlet end!) to achieve the desired results. To find 2" I simply used a short strip of 2" duct tape, wraping it around the pipe, using the shorter of end of my 'slash cut' as a reference point. I then marked the spot where I wanted the hole with a pencil. I want the bolts to be 'hidden' (on the backside of the pipe)and not sticking out the bottom. ((SLS from the XLFORUM http://xlforum.net/forums/showthread.php?t=247790)) | + | |
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| |Read this site later http://www.nightrider.com/biketech/exhaust.htm | |Read this site later http://www.nightrider.com/biketech/exhaust.htm | ||
| ===== Pics of Lollipops Installed ===== | ===== Pics of Lollipops Installed ===== | ||
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| * Back side mounted Lollipops (hidden nut/bolt behind pipe) | * Back side mounted Lollipops (hidden nut/bolt behind pipe) | ||
| Line 296: | Line 262: | ||
| ====== Patriot Defender ====== | ====== Patriot Defender ====== | ||
| - | Dims: ((rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?p=5737508)) \\ | + | Dims: ((rocketmangb of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/196315-patriot-defender-specs-w-pictures#post4284965)) \\ |
| 1-3/4" diameter out of the heads. \\ | 1-3/4" diameter out of the heads. \\ | ||
| Out to 2". \\ | Out to 2". \\ | ||
| Line 302: | Line 268: | ||
| The collector is probably 2-1/2" in a megaphone configuration. \\ | The collector is probably 2-1/2" in a megaphone configuration. \\ | ||
| - | | Patriot Defender Pipes Pics and Dims. ((photos by rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?p=5737508)) ||| | + | | Patriot Defender Pipes Pics and Dims. ((photos by rocketmangb of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/196315-patriot-defender-specs-w-pictures#post4284965)) ||| |
| |{{:techtalk:ref:carb:patriot_defender_pics_and_dims_1_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_2_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_3_by_rocketmangb.jpg?direct&300|}}| | |{{:techtalk:ref:carb:patriot_defender_pics_and_dims_1_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_2_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_3_by_rocketmangb.jpg?direct&300|}}| | ||
| - | | Patriot Defender Pipes Pics and Dims. ((photos by rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?p=5737508)) ||| | + | | Patriot Defender Pipes Pics and Dims. ((photos by rocketmangb of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-intake-and-exhaust/sportster-motorcycle-air-intake-carburetor-efi-fuel-and-exhaust/196315-patriot-defender-specs-w-pictures#post4284965)) ||| |
| |{{:techtalk:ref:carb:patriot_defender_pics_and_dims_4_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_5_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_6_by_rocketmangb.jpg?direct&300|}}| | |{{:techtalk:ref:carb:patriot_defender_pics_and_dims_4_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_5_by_rocketmangb.jpg?direct&300|}}|{{:techtalk:ref:carb:patriot_defender_pics_and_dims_6_by_rocketmangb.jpg?direct&300|}}| | ||
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| ====== Exhaust Bracket Mods ====== | ====== Exhaust Bracket Mods ====== | ||
| Line 329: | Line 292: | ||
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| + | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
