S488 single on 12v Cummins ! (worn out cam)

[@billjohns3908]

Put a 64 or 66 on the manifold with a 88 atmosphere charger, a 72 is way big for a compound setup 66/88 with the right fuel setup is rod bending power

[@wild12valve]

I ran a 464 with it, my current 472/488 actually spools faster

[@northwestcustom8531]

467 or a 472 all day on a 488 atmo

[@tonyhawk8461]

How heavy valve springs do you run?🙃

[@mohamedabada7101]

your awesome bro