Differences

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--- techtalk:ref:oil18 [2019/08/17 19:16]
hippysmack [Pro-Flow]
+++ techtalk:ref:oil18 [2019/08/17 19:26]
hippysmack [Pro-Flow]
@@ Line 4: / Line 4: @@
 ====== Aftermarket Sportster Oil Pumps ======
 ====== 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.
+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))  ||

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