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techtalk:ih:engmech01b [2018/07/12 00:20] hippysmack ['76 and Earlier Cases] |
techtalk:ih:engmech01b [2019/06/15 19:47] hippysmack removed |
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| * ** Transmission Drain Plug**: 1/2"x13 | * ** Transmission Drain Plug**: 1/2"x13 | ||
| * **Crankcase Drain Plug**: 1/2"x13 ((sevenyears of famine of the XLFORUM http://xlforum.net/forums/showthread.php?t=1461031&highlight=stripped+primary+drain)) | * **Crankcase Drain Plug**: 1/2"x13 ((sevenyears of famine of the XLFORUM http://xlforum.net/forums/showthread.php?t=1461031&highlight=stripped+primary+drain)) | ||
| - | * The drain on the pre1977 [non-mini sump] engine is under the flywheels, and was intended as a case drain. | + | * The drain on the pre1977 [non-mini sump] engine is under the flywheels, and was intended as a case drain. ((Racepres of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) \\ The 57 and 59 parts catalogs do specify "crankcase drain plug" while all others just read "drain plug" in the crankcase sections. ((hippysmack)) |
| * We used either the pre'77 or we put one into '77-+ cases so that when racing, we could pull the plug in the pits to see how much oil was in the bottom end...helping to determine how much more restriction or bypass of feed oil we needed to eliminate, because the oil pump could not get rid of it. ((Racepres of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) | * We used either the pre'77 or we put one into '77-+ cases so that when racing, we could pull the plug in the pits to see how much oil was in the bottom end...helping to determine how much more restriction or bypass of feed oil we needed to eliminate, because the oil pump could not get rid of it. ((Racepres of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) | ||
| * If you are not requiring that knowledge, or don't intend to do anything about it anyway. | * If you are not requiring that knowledge, or don't intend to do anything about it anyway. | ||
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| |{{:techtalk:ih:engmech:1968_drain_plug_crack_by_nakina.jpg?direct&300|}}| | |{{:techtalk:ih:engmech:1968_drain_plug_crack_by_nakina.jpg?direct&300|}}| | ||
| | Cracked case at the crankcase drain plug on a 1968 XLCH ((photo by nakina of the XLFORUM http://xlforum.net/forums/showthread.php?t=1974050&highlight=stripped+threads)) | | | Cracked case at the crankcase drain plug on a 1968 XLCH ((photo by nakina of the XLFORUM http://xlforum.net/forums/showthread.php?t=1974050&highlight=stripped+threads)) | | ||
| - | ===== '77 and Later Cases ===== | ||
| - | |{{:techtalk:ih:engmech:1977_case_drain_plug_1_by_bobbystat.jpg?direct&400|}}|{{:techtalk:ih:engmech:1977_case_drain_plug_2_by_bobbystat.jpg?direct&400|}}| | + | ===== L69-E71 cases ===== |
| - | | Case Drain Plug on a 1977 engine ((photos by bobbystat of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) || | + | |
| - | |{{:techtalk:ih:engmech:1978_drain_plugs_by_ironmick.jpg?direct&400|}}| | + | Late 1969, all 1970 and some early 71 cases came with no motor drains from the factory. ((Dr Dick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1595420)) \\ |
| - | | Case & Tranny Drain Plugs on a 1978 engine ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=806833&highlight=drilling+tapping+drain&page=2)) | | + | |
| + | |1969 XLCH with no sump drains. ((photo by ironheadjunkie of the XLFORUM http://xlforum.net/forums/showthread.php?t=1595420))| | ||
| + | |{{:techtalk:ih:engmech:69_xlch_2_by_ironheadjunkie.jpg?direct&300|}}| | ||
| + | |||
| + | ===== 77 and Later Cases ===== | ||
| + | |||
| + | | Case & Tranny Drain Plugs on a 1978 engine ((photo by IronMick of the XLFORUM http://xlforum.net/forums/showthread.php?t=806833&highlight=drilling+tapping+drain&page=2)) | | ||
| + | |{{:techtalk:ih:engmech:1978_drain_plugs_by_ironmick.jpg?direct&300|}}| | ||
| + | |||
| + | | Case Drain Plug on a 1977 engine ((photos by bobbystat of the XLFORUM http://xlforum.net/forums/showthread.php?t=1950691)) ||| | ||
| + | |{{:techtalk:ih:engmech:1977_case_drain_plug_1_by_bobbystat.jpg?direct&300|}}|{{:techtalk:ih:engmech:1977_case_drain_plug_2_by_bobbystat.jpg?direct&300|}}|{{:techtalk:ih:oil:77_and_up_case_scavenging_by_bobbystat.jpg?direct&300|}}| | ||
