chevy 5.7 L low oil pressure need help!
August 1st, 2013, 6:58 PM
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chevy 5.7 L low oil pressure need help!
Hey everyone I gotta a problem I have a 93 z71 ext cab with the 5.7 and the other day I put a new intake manifold gasket on because it had a small leak. Well after getting this done it runs fine but when I first start it up cold it will run just barely above 30 on the oil pressure guage and after the engine gets hot it drops to around 16-18 lbs pressure while driving down the hwy at 55 or so it dont increase when you increase the rpm's. I dont recall it doing this before. I put a new sending unit on it but same old thing any ideas? Thanks.
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