New Cast Iron Oil Pump pressure low |
11-07-2020, (Subject: New Cast Iron Oil Pump pressure low ) Post: #1 | |||
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New Cast Iron Oil Pump pressure low We have fitted the new style cast iron oil pump to a 570 block and the oil pressure has dropped 4 psi to 32 psi Hot. I have read the TSB describing the +/- 6 psi difference between the old and new pumps. Is it possible to shim the pressure regulator? What size shim is required to increase pressure by 5 psi? | |||
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