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I always thought the pressure valves were supposed to kick in at about 30psi (oil pressure), but, I found on my car that oil pressure varies from 20psi at idle up to about 50psi at high speed (2500rpm and up)- thats when the valves kick in . These pressures are when cold 20w-50w Castrol GTX. Herman > The oil pressure was about 17 PSI at idle, and went to about 40 at higher > speed. Are these good for oil pressure?< > ----------- > Barry, > 29 PSI for fuel pressure sounds ok. For oil pressure, what I found says > 42 PSI @ 2,500 RPM. > > Tom > > ------------------------------------------------------------------- > Pitch in! Send your pledge of support! mailto:support@vwtype3.org > >