Given that all is well with your engine, your headgasket replacement, etc... You should be able to get away with 10-11 psi. You'll start to run in to fuel cut around there also.
DISCLAIMER: My above statement is what's referred to as a S.W.A.G.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.