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techtalk:ref:engmech02 [2020/03/03 01:03] hippysmack [Base Gaskets] |
techtalk:ref:engmech02 [2022/12/05 16:00] ixl2relax [Zippers Billet Base Kit] |
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====== Top End ====== | ====== Top End ====== | ||
* [[techtalk:ref:engmech02d|Measure the Volume of a Combustion Chamber]] (CCing your chamber) | * [[techtalk:ref:engmech02d|Measure the Volume of a Combustion Chamber]] (CCing your chamber) | ||
+ | |||
====== Heads ====== | ====== Heads ====== | ||
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- | ====== Valves ====== | + | ====== Cylinders ====== |
+ | |||
+ | ====== Rings ====== | ||
+ | * [[techtalk:ref:engmech02c|Ring Gap Orientation]] | ||
+ | |||
====== Pistons ====== | ====== Pistons ====== | ||
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|Nylon buttons take the place of the retainer rings. ((photo by fdny37 of the XLFORUM http://xlforum.net/forums/showthread.php?t=204460&highlight=piston+pin+clips&page=2))|They can be ordered along with the pistons. ((photo by TT60 of the XLFORUM http://xlforum.net/forums/showthread.php?p=3858110&highlight=piston+pin+clips))| | |Nylon buttons take the place of the retainer rings. ((photo by fdny37 of the XLFORUM http://xlforum.net/forums/showthread.php?t=204460&highlight=piston+pin+clips&page=2))|They can be ordered along with the pistons. ((photo by TT60 of the XLFORUM http://xlforum.net/forums/showthread.php?p=3858110&highlight=piston+pin+clips))| | ||
|{{:techtalk:ref:engmech:wrist_pin_buttons_by_fdny37.jpg?direct&300|}}|{{:techtalk:ref:engmech:wrist_pin_buttons_by_tt60.jpg?direct&300|}}| | |{{:techtalk:ref:engmech:wrist_pin_buttons_by_fdny37.jpg?direct&300|}}|{{:techtalk:ref:engmech:wrist_pin_buttons_by_tt60.jpg?direct&300|}}| | ||
- | ====== Rings ====== | ||
- | * [[techtalk:ref:engmech02c|Ring Gap Orientation]] | ||
====== Pushrods ====== | ====== Pushrods ====== | ||
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====== Pushrod Tubes ====== | ====== Pushrod Tubes ====== | ||
- | ===== Hammer Performance Billet Base Kit ===== | + | ===== Pushrod Base Upgrade Kits ===== |
+ | |||
+ | For 1991-2003 Sportster and 1991-2002 Buell (except Blast):\\ | ||
+ | The stock lower pushrod tube retainer on a 1991-2003 Sportster is a cheapo piece of pot metal that bends and distorts, causing leaks. | ||
+ | |||
+ | ==== Hammer Performance Billet Base Kit ==== | ||
* [[techtalk:ref:engmech02f|Installing Hammer Performance Billet Pushrod Base Kit]] | * [[techtalk:ref:engmech02f|Installing Hammer Performance Billet Pushrod Base Kit]] | ||
- | Fits 1991-2003 Sportster and 1991-2002 Buell (except Blast). \\ | + | ((http://www.hammerperf.com/xlvalvetrain.shtml#billetbases)) \\ |
- | The stock lower pushrod tube retainer on a 1991-2003 Sportster is a cheapo piece of pot metal that bends and distorts, causing leaks. ((http://www.hammerperf.com/xlvalvetrain.shtml#billetbases)) \\ | + | |
- | These pushrod tube bases are stronger than the stock parts replace the cheap stock pushrod bases using your stock pushrod tubes. \\ | + | These Hammer Performance pushrod tube bases are stronger than the stock parts and replace the cheap stock pushrod bases, but use your stock pushrod tubes. \\ |
They are CNC machined by Hammer Performance out of T6061 billet aluminum. \\ | They are CNC machined by Hammer Performance out of T6061 billet aluminum. \\ | ||
Each kit comes with two bases, the upper o-rings, the lower seals, and four stainless steel screws. \\ | Each kit comes with two bases, the upper o-rings, the lower seals, and four stainless steel screws. \\ | ||
{{:techtalk:ref:engmech:hammerperf_pushrod_bases_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ref:engmech:hammerperf_pushrod_bases_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | {{:techtalk:ref:engmech:hammerperf_pushrod_bases_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:ref:engmech:hammerperf_pushrod_bases_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | ||
+ | |||
+ | ==== Zippers Billet Base Kit ==== | ||
+ | |||
+ | Zipper's Performance also makes pushrod tube bases that use the stronger billet aluminum to replace the cheap stock pushrod bases. | ||
+ | |||
+ | The bases are available as standalone parts (with lower seals) or as kits that include new telescoping pushrod covers. | ||
+ | |||
+ | {{:techtalk:ref:engmech:zippers-pushrodbase.jpg?direct&300|}} ((photo by Sportsterpaul)) | ||
+ | |||
====== Aftermarket Rocker Arms ====== | ====== Aftermarket Rocker Arms ====== | ||
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* **Evo Sportster / BT Head Gaskets**: | * **Evo Sportster / BT Head Gaskets**: | ||
- | * MLS | + | * Cometic MLS |
- | * C9205-030: 3.000" bore, .030" compressed thickness. | + | * C9205-030: 3.000" bore, .030" compressed thick. |
- | * C9205: 3.000" bore, .051" compressed thickness. | + | * C9205: 3.000" bore, .051" compressed thick. |
- | * 88-C9688: 3.497 to 3.563 bore, .030" thickness. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) | + | * 88-C9688: 3.497 to 3.563 bore, .030" thick. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) |
* C9688, 3.500" bore, .030" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9688)) | * C9688, 3.500" bore, .030" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9688)) | ||
- | * 88-C9692: 3.813 bore, .030" thickness. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) | + | * 88-C9692: 3.813 bore, .030" thick. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) |
* C9692, 3-13/16" bore, .030" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9692)) | * C9692, 3-13/16" bore, .030" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9692)) | ||
- | * 88-C9689: 3.497"- 3.563" bore, .040" thickness. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) | + | * 88-C9689: 3.497"- 3.563" bore, .040" thick. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) |
* C9689, 3.500" bore, .040" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9689)) | * C9689, 3.500" bore, .040" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9689)) | ||
* C9689-051, 3.500" bore, .051" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9689)) | * C9689-051, 3.500" bore, .051" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9689)) | ||
- | * 88-C9693: 3.813" bore, .040" thickness. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) | + | * 88-C9693: 3.813" bore, .040" thick. (86-up XL/Buell/XB - data from NRHS site) ((http://www.nrhsperformance.com/partsgaskets.shtml)) |
* C9693, 3-13/16" bore, .040" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9693)) | * C9693, 3-13/16" bore, .040" thick (for Evo BTs per Cometic site) ((https://www.cometic.com/search.html?q=C9693)) | ||
- | * C9690, 3.670" bore, .030" thickness. (sold for Evo BTs) | + | * C9690, 3.670" bore, .030" thick. (sold for Evo BTs) |
- | * C9691, 3.670" bore, .040" thickness. (sold for Evo BTs) | + | * C9691, 3.670" bore, .040" thick. (sold for Evo BTs) |
- | * C9694, 3.750" bore, .030" thickness. (sold for Evo BTs) | + | * C9694, 3.750" bore, .030" thick. (sold for Evo BTs) |
- | * C9695, 3.750" bore, .040" thickness. (sold for Evo BTs) | + | * C9695, 3.750" bore, .040" thick. (sold for Evo BTs) |
- | * Carbon Fiber (CFM-20) | + | * Cometic Carbon Fiber (CFM-20) |
- | * C9718: 3.512" bore, .043" thickness. | + | * C9718: 3.512" bore, .043" thick. |
- | * Copper | + | * Cometic Copper |
- | * C9082: 3-13/16" bore, .043" thickness. (sold for Evo BTs) | + | * C9082: 3-13/16" bore, .043" thick. (sold for Evo BTs) |
* **Ironhead Sportster Head Gaskets**: | * **Ironhead Sportster Head Gaskets**: | ||
- | * Copper (commercially available) | + | * Cometic Copper |
- | * C9698: 3.425: bore, .020" thickness. | + | * Cometic |
- | * C9565: 3.425: bore, .032" thickness. | + | * C9698: 3.425: bore, .020" thick. ((https://www.cometic.com/search.html?q=C9698)) |
- | * C9566: 3.425: bore, .043" thickness. | + | * C9565: 3.425: bore, .032" thick. ((https://www.cometic.com/search.html?q=C9565)) |
- | + | * C9566: 3.425: bore, .043" thick. ((https://www.cometic.com/search.html?q=C9566)) | |
+ | * James Gasket | ||
+ | * JGI-16769-72-A: 1000cc, .016" thick. (1972-E1973 Sportster) ((https://www.jamesgaskets.com/product/jgi-16769-72-a/)) | ||
+ | * JGI-16769-73: 1000cc, .016" thick. (1973-1985 Sportster) ((https://www.jamesgaskets.com/product/jgi-16769-73/)) | ||
+ | * JGI-16769-82: 1000cc, .045" thick. (1982-1985 Sportster) ((https://www.jamesgaskets.com/product/jgi-16769-82/)) | ||
**James Gasket MLS**: \\ | **James Gasket MLS**: \\ | ||
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{{:techtalk:ref:engmech:cometic_torque_sequence_instructions_by_johnk.jpg?direct&400|}} ((photo by JohnK of the XLFORUM http://xlforum.net/forums/showthread.php?t=1422877&page=8)) \\ | {{:techtalk:ref:engmech:cometic_torque_sequence_instructions_by_johnk.jpg?direct&400|}} ((photo by JohnK of the XLFORUM http://xlforum.net/forums/showthread.php?t=1422877&page=8)) \\ | ||
===== Base Gaskets ===== | ===== Base Gaskets ===== | ||
+ | For comparison, OEM base gasket 16789-04 is .014" thick. ((rocketmangb of the XLFORUM http://xlforum.net/forums/showthread.php?t=2075731&highlight=gasket+thickness&page=13)) \\ | ||
+ | |||
Cometic: | Cometic: |