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Old 03-27-2021, 02:46 PM   #10
MySons68C20
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Join Date: Sep 2014
Location: Wenatchee, Wa
Posts: 902
Re: 383 Oil Pressure Too High

I'm going to the 10W-30 anyways because this is not a race truck.
I prefer the Wix oil filter....never been a fan of Fram after seeing how they were made based upon cutaway pics from years ago.
Do the lighter weight oil first. Let the engine get to full temp after driving a bit and recheck pressure.
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