normal for a 93 ssei? high oil pressure - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-25-2005, 12:52 PM   #1
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Default normal for a 93 ssei? high oil pressure

just wondering if this is normal for a 93 ssei, with 175k. the lowest the oil pressure will read is 40, thats at idle when its warmed up. when driving, its usually at 60 when cruising, 80 when i get on it, it may even get a little higher than that, like 90+....normal? seems like its running fine, but ive only put about 500 miles on the car, also, how high should the boost get? when i floor it, it gets up to 3/4 (7.5) it gets there very quickly and stays there, so i dont think there are any problems with that.

i plan on buying a 2.3", 180* stat and highflow cat, thats it....with what seems like a good running engine, i shouldn't have any problems then, correct? i may get a intake if there cheap, but thats the most i want for mods, i want this car to last a while.
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Old 09-25-2005, 01:58 PM   #2
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all sounds rite to me my wifes 93 with 200,000 miles on it shows the same oil presure as dose my 94 SSEi and the boost is the same fast to get there but just hangs out about 7 or so
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Old 09-25-2005, 03:02 PM   #3
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40 psi is normal, but 90 is not. usually people dont run over 60.
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Old 09-25-2005, 03:06 PM   #4
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That seems a BIT high, but not overly so. What grade/brand/weight of oil do you run? How long ago was your last oil change? What type of filter? Even a poor quality filter can induce high pressure.

Both of my L67'* run 40-65.
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Old 09-25-2005, 04:49 PM   #5
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im not sure on any of those, my dad changed it last

i know the oil is pretty new, i assume 5w30 quaker state and a quaker state oil filter is what he used. i usually use 5 30 valvaline and a fram oil filter (i like the grip'* on the filters, dont need a wrench )

i suppose i could change it, you think thats it? he said its always been that high, but i know he doesn't have the greatest memory. it usually gets up to the dash between 40 and 120 when i get on it, then let off. i havn't had it long enough to get on it and stay on it to see what happens.
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Old 09-25-2005, 11:51 PM   #6
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when the cars cold, and i get on it, it goes to 80, when i let off it gets to 100, maybe even 105. when the car gets to temp (195) and im cruising, its at about 65ish, and it never gets above 85, usually it tops out around 80.

so i guess ill DEFINATLY wait till it gets to normal temps before i get on it, it was doing this when the temp gauge was at like 100-150.
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