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techtalk:evo:oil03g [2021/03/31 07:35] hippysmack [Volume and Flow Comparison] |
techtalk:evo:oil03g [2023/04/29 03:57] hippysmack [Comparing the 06 and the 07 Style Oil Pumps] |
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[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
====== EVO: Oiling & Lubrication - Sub-03G ====== | ====== EVO: Oiling & Lubrication - Sub-03G ====== | ||
- | ====== Comparing the 03-06 and the 07 Style Oil Pumps ====== | + | ====== Comparing the 98 and the 07 Style Oil Pumps ====== |
- | * Below is a collection of comparison pics between the (98-06 style pump) and the (07 and up style pump). Click on a pic to enlarge. | + | * Below is a collection of comparison pics between the (98-06 style pump parts) and the (07 and up style pump parts). Click on a pic to enlarge. |
* The 98-06 pump and internals are all the same except for these [[techtalk:evo:oil03#oil_pump_-_complete_unit_part_numbers|known differences]]. | * The 98-06 pump and internals are all the same except for these [[techtalk:evo:oil03#oil_pump_-_complete_unit_part_numbers|known differences]]. | ||
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====== Volume and Flow Comparison ====== | ====== Volume and Flow Comparison ====== | ||
See also this XLForum discussion starting around post #140: http://xlforum.net/forums/showthread.php?t=2078814&page=14 \\ | See also this XLForum discussion starting around post #140: http://xlforum.net/forums/showthread.php?t=2078814&page=14 \\ | ||
+ | [[http://www.sportsterpedia.com/doku.php/techtalk:ref:oil22p|Click Here]] to view calculated volumes of 1977-present Sportster oil pumps. \\ | ||
The scavenge gerotors in the 07 oil pump are considerably taller than in 06-prior oil pumps which easily points to the 07 scavenge side pumping out more oil from the motor. \\ | The scavenge gerotors in the 07 oil pump are considerably taller than in 06-prior oil pumps which easily points to the 07 scavenge side pumping out more oil from the motor. \\ | ||
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However, due to the wider tooth profile, the MoCo was able to deliver nearly the same amount of oil with a thinner gerotor set. \\ | However, due to the wider tooth profile, the MoCo was able to deliver nearly the same amount of oil with a thinner gerotor set. \\ | ||
In essence, the practice of changing oil volume now has a plan B (changing tooth profile). \\ | In essence, the practice of changing oil volume now has a plan B (changing tooth profile). \\ | ||
+ | However, the 07 feed gerotors do deliver slightly less feed oil than 86-06 pumps. \\ | ||
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The magic is there! That explains why the feed gerotors still keep their oil moving capacity in spite of them now having less height. ((xLoneRiderx of the XLFORUM http://xlforum.net/forums/showthread.php?t=2078814&page=16)) \\ | The magic is there! That explains why the feed gerotors still keep their oil moving capacity in spite of them now having less height. ((xLoneRiderx of the XLFORUM http://xlforum.net/forums/showthread.php?t=2078814&page=16)) \\ |