Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Last revision Both sides next revision
techtalk:ih:carb07 [2022/10/02 20:22]
hippysmack [Intake Manifold]
techtalk:ih:carb07 [2022/10/03 06:34]
hippysmack [Seals - Intake to Heads]
Line 12: Line 12:
 |1972-1974 Sportsters|27021-71|Cast iron|1.562"​|.33"​ holes on 2.750" b.c. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showpost.php?​p=5265198&​postcount=6))|Bendix / Zenith| |1972-1974 Sportsters|27021-71|Cast iron|1.562"​|.33"​ holes on 2.750" b.c. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showpost.php?​p=5265198&​postcount=6))|Bendix / Zenith|
 |1975-1979 Sportsters|27021-71A|Aluminum|1.562"​|.33"​ holes on a 2.750" b.c. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showpost.php?​p=5265198&​postcount=6))|Bendix / Zenith \\ Keihin "​butterfly"​| |1975-1979 Sportsters|27021-71A|Aluminum|1.562"​|.33"​ holes on a 2.750" b.c. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showpost.php?​p=5265198&​postcount=6))|Bendix / Zenith \\ Keihin "​butterfly"​|
-|1980-1985 Sportster|27021-78 ((1979-1985 HD Sportster Parts Catalog))|Aluminum|Keihin "​butterfly"​|+|1980-1985 Sportster|27021-78 ((1979-1985 HD Sportster Parts Catalog))|Aluminum|  |  ​|Keihin "​butterfly"​|
 |  HD Big Twin Manifold Part Numbers ​ ||||| |  HD Big Twin Manifold Part Numbers ​ |||||
 |Year Model|Manifold Part#|||| |Year Model|Manifold Part#||||
-|1971-1975 FL/​FLH/​FX|27021-71|||| +|1971-1975 FL/​FLH/​FX|27021-71 ​((HD 1961-1976 ElectraGlide/​SuperGlide Parts Catalog pg 19)) |||| 
-|1976-E1980 FX|27021-71A||||+|1976-E1980 ​FL/FX|27021-71A ​((HD 1941-1978 ElectraGlide/​SuperGlide Parts Catalog pg 17)) ((HD 1971-1980 FX/​SuperGlide Parts Catalog pg 25))|||| 
 +|L1980-later FX|27021-78((HD 1971-1984 FX Parts Catalog pg 29))|||| 
  
-|  1975-1979 Sportster Intake Manifold 27021-71A ((photos courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))  |||+|  1972-1974 Sportster Intake Manifold (27021-71) ((photos courtesy of Stripped Down Cycles [[https://​www.ebay.com/​str/​strippeddowncycles?​_trksid=p2047675.m3561.l2563|Link to Ebay Store:]] ))  ||| 
 +|{{:​techtalk:​ih:​carb:​1972-1974_sportster_intake_manifold_27021-71_pic1_by_stripped_down_cycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1972-1974_sportster_intake_manifold_27021-71_pic2_by_stripped_down_cycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1972-1974_sportster_intake_manifold_27021-71_pic3_by_stripped_down_cycles.jpg?​direct&​300|}}| 
 + 
 +|  1975-1979 Sportster Intake Manifold ​(27021-71A((photos courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))  |||
 |{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic1_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic2_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic3_by_animalhouse2010.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic1_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic2_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1975-1979_sportster_intake_manifold_27021-71a_pic3_by_animalhouse2010.jpg?​direct&​300|}}|
 \\ \\
Line 25: Line 29:
 In March, 1980, several modifications were made to heads/​intake manifolds/​clamps used on L1980 1200/1340cc FL/FX models to improve sealing capabilities. \\ In March, 1980, several modifications were made to heads/​intake manifolds/​clamps used on L1980 1200/1340cc FL/FX models to improve sealing capabilities. \\
  
-|  1980-1985 Sportster Intake Manifold 27021-78 ((photos courtesy of Ebay seller, Robison Motorcycles [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] ))  |||+|  1980-1985 Sportster Intake Manifold ​(27021-78((photos courtesy of Ebay seller, Robison Motorcycles [[ https://​www.ebay.com/​str/​robisonmotorcycles?​_trksid=p2047675.l2563 |Link to Ebay Store]] ))  |||
 |{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic1_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic2_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic3_by_robisonmotorcycles.jpg?​direct&​300|}}| |{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic1_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic2_by_robisonmotorcycles.jpg?​direct&​300|}}|{{:​techtalk:​ih:​engmech:​1980-1985_sportster_intake_manifold_27021-78_pic3_by_robisonmotorcycles.jpg?​direct&​300|}}|
 ====== Seals - Intake to Heads ====== ====== Seals - Intake to Heads ======
 ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​830|}}||| ^{{techtalk:​miscres:​instruction_sheet_header_4.png?​nolink&​830|}}|||
-| Intake to Head - Hardware History. ((See Brucstoudt & Dr_Dick - XLForum - http://​xlforum.net/​forums/​showthread.php?​t=2079889))((also http://​xlforum.net/​forums/​showthread.php?​t=509757)) || OEM Part Numbers | +| Intake to Head - Hardware History. ((See Brucstoudt & Dr_Dick - XLForum - http://​xlforum.net/​forums/​showthread.php?​t=2079889)) ((also http://​xlforum.net/​forums/​showthread.php?​t=509757)) ((1979-1985 HD Sportster Parts Catalog pgs 23-27)) || OEM Part Numbers | 
-| 1957-78 | Used exact same port sealing machining, heads and manifolds | **Uses O-rings - 27060-55 - Clamp 27063-57**+| 1957-78 | Used exact same port sealing machining, heads and manifolds | **Uses O-rings - 27060-55 - Clamp 27063-57** | 
-| 1979 | Confusing because it had the o-ring machining but used rubber bands | **Uses rubber bands - 27062-78 - Clamp 27063-78**+| 1979 | Confusing because it had the o-ring machining but used rubber bands | **Uses rubber bands - 27062-78 - Clamp 27063-78** | 
-1980-later ​Made with "o-ring delete"​ machining. ​| **Uses rubber bands - 27062-78 - Clamp 27063-78**.|+E1980 Dropped the machining for the O-ring | **Uses rubber bands - 27062-78 - Clamp 27063-78** ​
 +| L1980-1985 | Uses same rubber bands as 79-E80 but different clamp | **Uses ruber bands - 27062-78 - Clamp 27063-80** ​|
 | ||| | |||
 | 1979 models could retro fit 78-earlier interface mechanisms as a bolt on mod. ||| | 1979 models could retro fit 78-earlier interface mechanisms as a bolt on mod. |||
 | 1980-later models needed the heads to be machined for reverting to the straight up o-ring seals. ||| | 1980-later models needed the heads to be machined for reverting to the straight up o-ring seals. |||
 +
 +|  1957-1978 Intake Manifold O-rings (27060-55) ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))  |  1957-1978 Intake Manifold Clamp (27063-57) ((photos courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))  |
 +|{{:​techtalk:​ih:​carb:​1957-1978_sportster_intake_manifold_o-rings_27060-55_by_jrsvintageharley1990.jpg?​direct&​300|}}|{{techtalk:​ih:​carb:​1957-1978_sportster_intake_manifold_clamp_27063-57_by_jrsvintageharley1990.jpg?​direct&​300|}}|
 +
 +|  1979-1985 Sportster Intake Manifold \\ Rubber Bands (27062-78) ((photo courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))  |  1979-E1980 Intake Manifold Clamp (27063-78) ((photos courtesy of Ebay seller, jrsvintageharley1990. [[https://​www.ebay.com/​str/​jrsvintageharleyparts?​_trksid=p2047675.l2563|Link to Ebay Store]] ​ ))  |
 +|{{:​techtalk:​ih:​carb:​1979-1985_sportster_intake_manifold_rubber_bands_by_jrsvintageharley1990.jpg?​direct&​300|}}|{{:​techtalk:​ih:​carb:​1979-e1980_sportster_intake_manifold_clamp_27063-78_by_jrsvintageharley1990.jpg?​direct&​300|}}|
  
 ===== Bendix ===== ===== Bendix =====