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dropping oil pressure

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Old Jun 17, 2005 | 10:27 AM
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ed989's Avatar
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From: hickory hills, il
Default dropping oil pressure

My friend is having a problem with his 96 Z28. After driving for long periods of time, like a couple hours or so his oil pressure gradually drops and his car becomes slow and hesitant. He says its been happening for about a year. Hopefully someone here knows whats going on. Thanks
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Old Jun 17, 2005 | 01:25 PM
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From: Wallingford CT
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What PSI is the guage in the car reading, when COLD and when its up to temp (driven for a while) at idle. Also if you can when cruising.

Is it bottoming out to 0-5psi???

To given an example, my 383, with a high volume oil pump. With fresh oil 10w-30 mineral does 60 psi cold, and when ahot 26-28 (roughly). When I peg the gas at temp the psi goes to around 40.

Milage on the car???
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