Thank you Mender, I should have mentioned engine in more detail. It will be a ford engine 434 cubes n/a, dart/ford engine block, bore=4.155, storke=4.0, heads kaase C-400 flow between 340-400cfm cnc ported, mech roller cam, 11.47 compression. Tranmission is 4spd toploader, 9inch diff with 3.60...