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techtalk:ref:oil18 [2019/08/17 19:15]
hippysmack created
techtalk:ref:oil18 [2019/08/17 19:26]
hippysmack [Pro-Flow]
Line 4: Line 4:
 ====== Aftermarket Sportster Oil Pumps ====== ====== Aftermarket Sportster Oil Pumps ======
 ====== Pro-Flow ====== ====== Pro-Flow ======
 +These pumps are no longer in production. ((Jorgen of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​p=4368299&​highlight=pro+flow#​post4368299)) \\
 +There were two versions, one 3 stage and one 4 stage. \\
 +The 3-stage uses a gerotor stage for scavenging the cam chest. \\
 +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)) ​ ||