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oil pressure

1K views 6 replies 6 participants last post by  RS3SDL2MG 
#1 ·
just a quick question, i've got a 350 sb in a 69 camaro, I have good pressure while cruising (50psi) but at idle this drops to 15 psi, the guage is a mechanical autometer. Is this normal? thanks in advance for replies.
 
#2 ·
Assuming the engine is warm I'd say it's good.
 
#5 ·
A minimum of about 12 psi at idle (550-750 RPM) is okay. The thinner the oil is the lower the pressure will be. I think your okay. If that is an old style 350 SBC, I would change to 10W-30 or 15W-40 Mobil 1. 5W-30 Mobil 1 is for newer engines. :thumbsup:
 
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