Nicks Garage 383 build

Icetech said
I don't get how you can only get 315 out of a 455.. i don't like pontiacs but they can make power.

Richard Holdener did a low cr 440 with 4bbl headers and mild cam made like 330 hp if I remember right, it wasn't a rebuild though, it was a motorhome 440 from the road kill guys.