Questions about Proper OIL PSI:
12-03-2002, 02:07 PM
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Questions about Proper OIL PSI:
Upon cold startup it takes several minutes of easy driving to get the PSI into the normal range. At light throttle and low rpm (3K) I get around 90PSI when it's cold and creeps towards 120PSI if I put any sort of heavier throttle, even if the engine temp. reads normal. After maybe 5 minutes though it creeps to normal and only hits 90PSI during WOT. Is this normal? Does the high PSI hurt the engine. Any info would be great. thanks.
12-03-2002, 02:10 PM
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I noticed the same thing....
Everything was fine after about 5 min. But after the first oil change and going to Mobil 1 Syn. I have not noticed it as bad.
12-03-2002, 02:48 PM
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Your readings are fine. With cold oil you're always going to see a pressure around 90 psi in the beginning. As long as it goes down after warm-up it's ok and yours does.
12-03-2002, 03:51 PM
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I was wondering if anyone has some technical info. as far as what the PSI means, what a high or low PSI means, what does a high (like 120PSI) do to the engine if done at an extended amount of time? Thanks.
12-03-2002, 04:10 PM
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Originally posted by LA-Z
I was wondering if anyone has some technical info. as far as what the PSI means, what a high or low PSI means, what does a high (like 120PSI) do to the engine if done at an extended amount of time? Thanks.
I was wondering if anyone has some technical info. as far as what the PSI means, what a high or low PSI means, what does a high (like 120PSI) do to the engine if done at an extended amount of time? Thanks.
Your operation sounds normal, I wouldn't worry about it. I recommend you do not do WOT until your oil warms up. You'll know its warm when it sits about 60ish in normal driving.
12-04-2002, 11:42 AM
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Originally posted by LA-Z
I was wondering if anyone has some technical info. as far as what the PSI means, what a high or low PSI means, what does a high (like 120PSI) do to the engine if done at an extended amount of time? Thanks.
I was wondering if anyone has some technical info. as far as what the PSI means, what a high or low PSI means, what does a high (like 120PSI) do to the engine if done at an extended amount of time? Thanks.
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