well... went to the dyno today.... the car has 298.7 hp.... timing was at 30... set the timing to 38.... went 299.7 not enough differance to run that high of timing.... only gained 1 hp of torque... vang... the dyno guy said to run a much hotter plug and set timing on 32....the car will be dead on...also my fuel ratio was 13.3... at w.o.t..... the fuel is not burning...thats why a hotter plug... any more help would be great!!!! i'm open to suggestions... but the motor is only a " 331" c.i.... thanks caveman... :lol: :lol: :lol: