12.9 CR is a bit much for pump gas. that fancy $6.00 a gallon VP110 gets expensive. But for my Money, 64 cc World Products heads, ISKY 547-A Mechanical Flat tappet cam.
Edelbrock Victor JR on Alcohol. I ran this combo a couple years back in a 383. It was a great combo. I only run Roller cams now. If your budget will allow, there are some good ones out there.