S S schluney Jul 9, 2011 Perfect thanks we are at 9.3 and running less than 10 psi of boost at this point.
Nick M Jun 14, 2011 The limit depends on how rich the tune is and the fuel you are using. 9.2-9.5 is fine with a safe tune of 9.5-10.0:1
The limit depends on how rich the tune is and the fuel you are using. 9.2-9.5 is fine with a safe tune of 9.5-10.0:1