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tahoeguy318

06-25-2005 08:27 AM

high oil pressure

I have high oil pressure in my 1989 350 mag now I know its an old motor with alot of hours so what should I check it runs at 75lbs when idling but then drops to about 40lbs when running...what should I check? I have a remote oil filter if that matters I am running 20 50 oil thanks
Harry

Griff

06-25-2005 02:51 PM

Re: high oil pressure

Is this a new problem.

I had the same thing happening with my oil psi and the engine had the wrong sensor on it. It was working in reverse.

RedDog382

06-25-2005 05:25 PM

Re: high oil pressure

Mechanical guage to see if readings are accurate.

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