CM570 Oil Pump regulator shimming
02-22-2021, (Subject: CM570 Oil Pump regulator shimming ) 
Post: #1
CM570 Oil Pump regulator shimming
Working on a 2001 cm570. Has anyone come up with the optimum number of dimes for the oil pump regulator? I've read anywhere from 6 to 10 now I'm confused.
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02-22-2021, (Subject: CM570 Oil Pump regulator shimming ) 
Post: #2
RE: CM570 Oil Pump regulator shimming
The old aluminum pump took about 6 dimes to get you to about 48 psi or so. This was optimum for most ppl.

The newer cast iron pump is shimmed slightly differently.
maybe this thread helps. might want to read thru the whole thing carefully.

http://rawze.com/forums/showthread.php?t...2#pid60312


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