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Don't know what your oil pressure should be, but my 1971 Cutlass 350 motors (with mechanical oil gauge & T fitting for idiot light) oil pressure runs low when warm at idle (maybe 5 psi), about 30 psi on the highway, and 50 or so at start up when cold. I think I read somewhere that Oldsmobile motors just don't have the best oil pressure, one reason why they wont rev as high as a Chevy. My car has run at these pressures for the last 5 years since I got it back on the road, with no problems
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