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techtalk:ref:oil18 [2019/08/17 19:16]
hippysmack [Pro-Flow]
techtalk:ref:oil18 [2019/08/17 19:26] (current)
hippysmack [Pro-Flow]
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 ====== Aftermarket Sportster Oil Pumps ====== ====== Aftermarket Sportster Oil Pumps ======
 ====== Pro-Flow ====== ====== Pro-Flow ======
-These pumps are no longer in production. \\ +These pumps are no longer in production. ​((Jorgen of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=4368299&​highlight=pro+flow#​post4368299)) ​\\ 
-At the top there is 1 gerotor stage that scavanges the cam chest. \\ +There were two versions, one 3 stage and one 4 stage. \\ 
-Below is a spur gear stage that scavenges the sump. \\ +The 3-stage uses a gerotor stage for scavenging ​the cam chest. \\ 
-At the bottom is another ​gerotor stage that feeds the engine. \\+Below there is a spur gear set that scavenge the sump, and at the bottom there is another gerotor stage that feeds the engine.  
 +They also have an extra suction port into the spur gear stage, that port is plugged with and 1/8 NPT. \\ 
 +That port can be used if someone for example wants to connect the pump via external plumbing to the sump. \\ 
 + 
 +The 4 stage pumps has an additional 4th stage, which can be used to various things. Draining the rocker boxes, draining a turbo or whatever the engine builder wants. 
 + 
 +3 stage shown below: \\ 
 +Top, gerotor stage that scavanges the cam chest. \\ 
 +Below spur gear stage that scavenges the sump. \\ 
 +Bottom, ​gerotor stage that feeds the engine. \\
  
 |  Pro Flow multi-stage oil pump. ((photos by Jorgen of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=4368299&​highlight=pro+flow#​post4368299)) ​ || |  Pro Flow multi-stage oil pump. ((photos by Jorgen of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=4368299&​highlight=pro+flow#​post4368299)) ​ ||