73-87 Chevy _ GMC Trucks > Performance

Oil Pressure In A 383 Stroker

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Mike81K10:
What should the oil pressure be in my 383 Stroker? It has a High-volume oil pump installed in it.

bd:
There are too many factors to respond with a charted answer (e.g., oil pressure regulator setting, oil pump internal clearances, bearing and thrust clearances, lubricant viscosity, oil temperature, RPM,...).  A general rule of thumb for all gasoline engines is 10 PSI/1,000 RPM minimum.  What prompted your question?

Mike81K10:
My engine has an oil pressure of about 65 psi and BluePrint told me it should be 60 to 70 psi and will go down some as the engine is ran. I am not use to oil pressure being that high and my OEM oil pressure gauge only reads 60 psi and is getting pegged out. I got a new AutoMeter Oil Pressure Gauge on order and should get it in a day or two. I am used to my low HP Stock 350s getting about 40 psi and it has made me nervous.

bd:
You don't have a stock engine anymore.   ;D

If it makes you feel any better, my 350 runs 90 PSI for similar reasons.   8)

Shifty:
Be ye not afeared, and go boldly where trails defeat lesser trucks!  :D

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