Oil Preasure

By matchsticklake.com
January 14, 2013 in Gen III & Gen IV V8 Engines (LS-Based)

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matchsticklake.com

Posted January 14, 2013

Just wondering what PSI you guys with 4.8L's are getting through the rpm ranges?

Pretty fresh engines will idle at about 60PSI, and will peg the factory gauge upon acceleration. Older or abused engines will obviously have less. FWIW, at 320k miles, mine still has 35-40PSI at idle an will hit about 70PSI when revved up.

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