Thread: LSx Oil pump
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Old 10-25-2017, 12:15 PM   #3
PolarBear
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Quote:
Originally Posted by KirkEvil View Post
Don't knock the edges off. Also be aware those internal pump gears have a chamfer on one side but not the other. If you install them backwards they seize when the front cover is bolted down.

Use 2 standard thickness washers to shim the relief spring. That should give you about 45psi hot idle
Thanks for the reply. I took note on the way it came apart.

The spring is a small diameter, so the shim would go inside the cap or the plunger?
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