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techtalk:ih:engmech01c [2021/11/18 00:07] hippysmack [Short Frame vs Long Frame] |
techtalk:ih:engmech01c [2021/11/18 20:43] hippysmack [Engine interchangeability] |
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====== IH: Engine Mechanicals - Sub-01C ====== | ====== IH: Engine Mechanicals - Sub-01C ====== | ||
====== Ironhead Engine Case Identification ====== | ====== Ironhead Engine Case Identification ====== | ||
+ | \\ | ||
+ | ====== 1957-1971 Cases ====== | ||
===== Short Frame vs Long Frame ===== | ===== Short Frame vs Long Frame ===== | ||
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Some don't make that an easy task as they are similar but not the same. ((Dr Dick of the XLFORUM DR DICK http://xlforum.net/forums/showpost.php?p=4673358&postcount=14)) \\ | Some don't make that an easy task as they are similar but not the same. ((Dr Dick of the XLFORUM DR DICK http://xlforum.net/forums/showpost.php?p=4673358&postcount=14)) \\ | ||
- | Click on a pic to enlarge: \\ | + | ===== Engine interchangeability ===== |
- | + | ||
- | | Cases from a 1965 XLCH (short frame) ((photos courtesy of Ebay seller, chezyrydr. [[https://www.ebay.com/sch/chezyrydr/m.html?item=114957642341&rt=nc&nma=true&nordt=true&orig_cvip=true&si=zOYpPKkEiEnNnFiXOFT6Zq890Gs%253D&hash=item1ac4026a65%3Ag%3AToIAAOSwrtdhKV-y&vxp=mtr&_trksid=p2047675.l2562|Link to Items for Sale page]] )) || | + | |
- | |{{:techtalk:ih:engmech:1965_xlch_900_case_pic1_by_chezyrydr.jpg?direct&400|}}|{{:techtalk:ih:engmech:1965_xlch_900_case_pic2_by_chezyrydr.jpg?direct&400|}}| | + | |
- | + | ||
- | ===== Engine Interchangeability ===== | + | |
1967-1969 XLCH are the same as the bikes that came before (short frame) but the 1967-1969 XLH are different (long frame). \\ | 1967-1969 XLCH are the same as the bikes that came before (short frame) but the 1967-1969 XLH are different (long frame). \\ | ||
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If swapping early motors into 1977-newer frames, just remember to use the front and rear mounts for the year the frame is. ((bobber58 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1857474&page=2)) \\ | If swapping early motors into 1977-newer frames, just remember to use the front and rear mounts for the year the frame is. ((bobber58 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1857474&page=2)) \\ | ||
- | === Short frame motors === | + | To power the starter, a giant battery was required. \\ |
+ | To make room for this, the rear frame down tubes were offset to the rear with a "dogleg" and now the frame got longer than the original. \\ | ||
+ | The original is a "short frame" and the doglegged version is a "long frame". \\ | ||
+ | See the long frame (dogleg) in the pic below. Note the position of the down tubes to the motor mount surface. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1028933&page=2)) \\ | ||
+ | |||
+ | {{:techtalk:ih:body:1967_and_1971_seat_post_comparison_-_composite_of_pics_from_ebay_sellers_animalhouse2010_and_rusty_dusty_motorcycle_parts.jpg?direct&400|}} \\ | ||
+ | |||
+ | |||
+ | ===== Short frame cases ===== | ||
In 1952, the K model was introduced. This was a brand new design for HD. \\ Between 1952 and 1976, that basic bike slowly evolved. \\ | In 1952, the K model was introduced. This was a brand new design for HD. \\ Between 1952 and 1976, that basic bike slowly evolved. \\ | ||
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In this case you don't have all the screw holes needed for the tin primary cover used on 59-69 CH. \\ | In this case you don't have all the screw holes needed for the tin primary cover used on 59-69 CH. \\ | ||
You'd need to use the 3 hole sportster cover or pull the pins and drill and tap to convert to tin cover. \\ | You'd need to use the 3 hole sportster cover or pull the pins and drill and tap to convert to tin cover. \\ | ||
+ | |||
+ | Click on a pic to enlarge: \\ | ||
| Short frame left case for XLCH ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=4673358&postcount=14)) | Short frame left case for XLH ((photo by sevenyears of famine of the XLFORUMM)) | | | Short frame left case for XLCH ((photo by Dr Dick of the XLFORUM http://xlforum.net/forums/showpost.php?p=4673358&postcount=14)) | Short frame left case for XLH ((photo by sevenyears of famine of the XLFORUMM)) | | ||
|{{:techtalk:ih:engmech:1964_xlch_left_case_by_dr_dick.jpg?direct&400|}}|{{:techtalk:ih:engmech:1960_xlh_left_case_by_sevenyears_of_famine.jpg?direct&400|}}| | |{{:techtalk:ih:engmech:1964_xlch_left_case_by_dr_dick.jpg?direct&400|}}|{{:techtalk:ih:engmech:1960_xlh_left_case_by_sevenyears_of_famine.jpg?direct&400|}}| | ||
- | === Long frame motors === | + | | Cases from a 1965 XLCH (short frame) ((photos courtesy of Ebay seller, chezyrydr. [[https://www.ebay.com/sch/chezyrydr/m.html?item=114957642341&rt=nc&nma=true&nordt=true&orig_cvip=true&si=zOYpPKkEiEnNnFiXOFT6Zq890Gs%253D&hash=item1ac4026a65%3Ag%3AToIAAOSwrtdhKV-y&vxp=mtr&_trksid=p2047675.l2562|Link to Items for Sale page]] )) || |
+ | |{{:techtalk:ih:engmech:1965_xlch_900_case_pic1_by_chezyrydr.jpg?direct&400|}}|{{:techtalk:ih:engmech:1965_xlch_900_case_pic2_by_chezyrydr.jpg?direct&400|}}| | ||
+ | |||
+ | ===== Long frame cases ===== | ||
Then it happened. \\ | Then it happened. \\ | ||
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Cosmetically speaking, only 1967-1969 XLH cases are identical. \\ | Cosmetically speaking, only 1967-1969 XLH cases are identical. \\ | ||
- | To power the starter, a giant battery was required. \\ | ||
- | To make room for this, the rear frame down tubes were offset to the rear with a "dogleg" and now the frame got longer than the original. \\ | ||
- | The original is a "short frame" and the doglegged version is a "long frame". \\ | ||
- | See the long frame (dogleg) in the pic below. Note the position of the down tubes to the motor mount surface. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1028933&page=2)) \\ | ||
- | {{:techtalk:ih:body:1967_and_1971_seat_post_comparison_-_composite_of_pics_from_ebay_sellers_animalhouse2010_and_rusty_dusty_motorcycle_parts.jpg?direct&400|}} \\ | + | ====== 1972-1976 Cases ====== |
+ | |||
+ | ====== 1977-1985 Cases ====== | ||