Yes, we are using stock 516 head, I had bought the pistons from the machinist. We just compared CH rather crudely by shoving a pin thru both pistons. Now I’m curious how accurate that was. Guess I’ll know tomorrow nite when he brings stuff over. Jim

64 Dodge Coronet 440. In progress
1998. Dodge Avenger. 8.35@165. 4400 DA
250” Neil and Parks Slip Joint. 7.36@183.
4600 DA
242" Mullis Dragster. 6.90@ 200mph