The most compression I was at was 11.5 to 1 when I ran the 10.40s same motor is at 10 to 1 now for pump gas using W2 heads . I also have a 408 inch stroker 9.8 compression , R3 block , Indy heads but the crank cracked
68 Dart 410 / 904 92 D150 original owner 21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4 23 Audi Q5 16 Honda HRV
