Originally Posted by taps
i am running a 871 blown 509 chevy with 2dominators on c16 race gas at 15 psi boost,the motor is dart block,copper gaskets ond good internals,in a 2500 lpd beretta drag car,comp is 8 to 1,how much total timing could i run?
You should have it tuned on a dyno. Then you know for sure.