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Originally Posted by supervisor1886
for your car normal oil pressure should be around 60psi ( I would say that normal oil pressure would be somewhere between 30psi to like 70psi (acceptable) )It also depeds on the outside temperature.
I say that 60 psi is what you want. Running at 40 would be sorta low. I am running my 305 at 40 cold to 35 warm (My maximum oil pressure can be 60 thats what my gage reads). My other 3.8 firebird runs at 60 all the time and thats an almost new car as well.
Before that I had a 350 iroc that was running at almost 60 when cold but eventually would go down to
30psi. It all depends on your oil and wear that the engine has head over the years.Besides this my pressure would go up quite significantly every time I pushed gas half way. (35-45) Usually it goes up just a bit in most engines.
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Well before I ever used seafoam, the psi would rest at 40. Even if I gave it some gas it wouldn't raise. But when I came to a stop, it would slightly fall somewhat, then pick back up. So I just always assumed that 40 psi is normal since it had run that that for over a year, despite all the oil changes.
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Originally Posted by supervisor1886
Too much oil pressure is bad too. Consumtion of oil will increase and all the o ring seals will fail over time.
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Yeah, that's exactly why I'm hessitant of driving it right now. I'm just worried I might end up blowing some gaskets. I talked to the guy at Advance Discount about it, and he said he's never heard of anything like oil pressure going up after using seafoam. So he then recommended I changed the oil pump, which I guess wouldn't be a bad thing, since it it 10 years old with over 100K miles. I just don't understand why after using seafoam my oil pressure would go up. I've never heard of it happening to anyone else.