It's a .450 lift and 228 duration at .50
Going with a company cam extreme energy 274 cam
.488 In and .501ex has 230 and 236 at .50
My car is a 71 pro street Duster full body all metal mini tubbed no rear seat. Has huge 29x15.5 tires with 4.30 and around 3500 stall. Engine is a 69 440 flat top pistons no valve reliefs, stock 906 heads , tm7 intake and headers with 3 inch pipes. Unsure of compression but cranking compression was 200 psi with that small cam
