Quote:
Originally Posted by steve25
Look at it this way , unless where talking about the extra main and rod clearance’s used on the RAII and RA4 motors the clearance’s where no more then .002” with more of a average of .0015”.
With these clearance’s even the motors that used the 60 psi pump would never hold even 50 psi at hot idle, no less 60.
Your issue is something to do with your check ball and or shim/ spring set up.
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How does a relief staying closed cause a high idle pressure?
Or, why would the relief need to open at idle?
