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Are these Oil Pressure Values Normal?

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TSIkw

15+ Year Contributor
129
1
Aug 31, 2005
Central NY, New York
Is it normal to be at 75 mph (3500 rpm) and have vac-boost @ 0 and Oil Pressure @ 50.

Also, at Idle (1000 rpm) to have oil pressure of 15.

Thanks for any input guys.
 
Ok so after driving home yesterday this is what I have, give or take a little.

I am using 10/40 dino-juice. with an auto tranny so 4th gear is my top, the rear end gears are different as well. Oil filter had been relocated using Perma-cool kit. So with that taken into consiberation my numbers look like;

approx 15 oil psi at idle (750-780rpm)
75-80 mph at around 0 boost I see 85-90 oil psi

Any one else?
 
1GawdJunkie said:
Ok so after driving home yesterday this is what I have, give or take a little.

I am using 10/40 dino-juice. with an auto tranny so 4th gear is my top, the rear end gears are different as well. Oil filter had been relocated using Perma-cool kit. So with that taken into consiberation my numbers look like;

approx 15 oil psi at idle (750-780rpm)
75-80 mph at around 0 boost I see 85-90 oil psi

Any one else?

Are the engine BS removed ?
 
Then is the 50 oil psi my friend is seeing to low. (BS eliminated, and the engine is a rebuild at roughly 8:7 compression.
 
Boost won't affect your oil pressure.

I have my BS out and I see 12 psi at idle and a minimum of 75-80psi on the hwy. I run Mobil 1 15-50 though. Of course, oil temperature makes a big diff. On a cold engine at hwy speeds, I'm off the guage. On the other extreme, crusing on hwy for a long time the oil gets up to about 240F, that's when I see about 75psi on the hwy.
 
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