Thread: oil psi
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  #10  
Old 07-23-2015, 03:01 PM
JLMounce JLMounce is offline
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I run about 12 psi at hot idle (700rpm) and 40-60 during cruise around 2000rpm. 10w30 with zddp additive.

I would think a 50 weight would show more pressure.

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1969 Pontiac Firebird