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Old 04-01-2021, 10:25 AM   #16
tdangle
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Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,209
Re: 383 Oil Pressure Too High

Quote:
Originally Posted by garyd1961 View Post
My L31-R crate motor pegs my factory gauge when cold and idles at the half way mark when hot. Cruising at 60 It's past the 3/4 mark hot. I have had another gauge hooked up before and the factory gauge is accurate. I'm running 10W-30.
Mine is exactly the same. Factory gauge, L31 based SP350/357 GM Performance crate motor
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Terry

1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC
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