I think to much or to little timing can cause extra heat to be ade in the motor, the sweet spot is the best scope
Test, test and test until you find it. Don't assume what yours is with YOUR timing light on YOUR motor is the same (identical to within 1/2 degree) as every one else's work


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)