I'm running 40-45 psi with my timing to the head. If that helps you. :choochoo:

i ran +1 tooth, the timing spacer, 42 psi i think, and stock bolts untorqued for a few months last year.

Shaving The Timing Advance Piston
 

Was just curious, the s300 does 35 with ease, was going to get an adjustable elbow and get it up to 40-42. I think I'd be happy there. I don't believe it'd be out of the s300's efficiency range, just no map to consult.


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