C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

oil pressure

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Old Oct 5, 2004 | 11:28 PM
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i have a 86 vette and i was wondering where should my oil pressure be at when i'm cruising at 65mph. also where should it be when the car is warm and ideling?
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Old Oct 5, 2004 | 11:36 PM
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Anytime your foot is on the gas, it needs to be over 50psi. At full throttle it should top 60psi.

At warm idle it should be about half of that.
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Old Oct 6, 2004 | 01:22 AM
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sounds excatly the way my 85 reads.
Originally Posted by vader86
Anytime your foot is on the gas, it needs to be over 50psi. At full throttle it should top 60psi.

At warm idle it should be about half of that.
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Old Oct 6, 2004 | 09:44 PM
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most of the time i'm running somewhere between 65 and 80 psi. is this to much or is it acceptable?
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Old Oct 6, 2004 | 10:17 PM
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80psi indicates a problem with the oil pressure sender or one of the wires leading to it, because thats the max it can read and its not supposed to be that high.
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Old Oct 7, 2004 | 08:52 PM
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thanx for the post. to me 80 psi seemed high. at least now i have a place to start.
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