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Oil pressure question

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Old Aug 8, 2005 | 12:42 AM
  #1  
speedingpenguin's Avatar
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From: MA
Car: 1981 Chevy Malibu, 1987 Formula 350
Engine: 229 V6, L98 TPI 350
Transmission: TH350, 700R4
Axle/Gears: 10 bolt ???, 9 bolt 3.27 posi
Oil pressure question

The engine in my Formula has about 20,000 miles on it (According to the guy I bought the engine from). I have mechanical gauges, not electric, so I ASSUME the pressure readings are accurate. Anyhow, idling at like 800-900 rpm's I have about 30 pounds of oil pressure, and at higher rpm's it gets up to maybe about 60 or so.....
Is this acceptable for the mileage on the engine? I was under the impression that it would be a little higher....
I'm using 10w30 non-synthetic oil BTW. Would thicker oil bring the pressure up?
Thanks,
-Chris
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Old Aug 8, 2005 | 01:12 AM
  #2  
R1UK's Avatar
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From: Manchester: UK
Car: Was 3rd Gen now MustangGT
Engine: 302
Transmission: Auto
Axle/Gears: 3:73:1
Well if that was my engine, i would be pretty happy with that pressure.
I would'nt ever put a thicker oil in though, it does'nt do a lot of good.
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Old Aug 8, 2005 | 04:57 AM
  #3  
ede's Avatar
ede
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From: Jackson County
i'm suprised you didn't find this when you searched, 10 psi per 1000 rpm
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