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How to shim the oil pump

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Old 08-18-2005, 01:30 PM
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Default How to shim the oil pump

Hi, I am doing a cam swap on my friends z06. I wanted to shim the oil pump for another 10 or so psi. I know the shim goes on the pressure relief valve, but on what side of the spring? Does it go valve, shim, spring, plug, or do I have it reversed? Also, what size shim should I use? Thanks for the info!
-matt
Old 08-18-2005, 01:34 PM
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Originally Posted by nasty ss
Hi, I am doing a cam swap on my friends z06. I wanted to shim the oil pump for another 10 or so psi. I know the shim goes on the pressure relief valve, but on what side of the spring? Does it go valve, shim, spring, plug, or do I have it reversed? Also, what size shim should I use? Thanks for the info!
-matt
get washers that are small enough OD to fit inside the plug (that threads into the pump case)......

~0.125" = ~ 10psi.......


valve, spring, plug (with shims inside plug).....
Old 08-18-2005, 01:37 PM
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you are gunna want the shim by the plug. cause if it was by valve it might get caught in the bore and completely lock the valve one way or the other.
Old 08-18-2005, 02:11 PM
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Great, thanks for the quick replies!
-matt



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