The rockers are stout and light. That isn't the problem . It's getting any sort of meaningful lift with a roller tip is next to impo$$ible. The scrub is terrible as well. J.Rob
Gotta ask
I have a 6.4 truck engine that I have considered replacing the stock rods and pistons with goods parts that I haven’t chosen yet but I’m thinking high compression (13-1 ) a cam that will support the heads cubis inch and compression put a carb on it with e85
And hope for the best 630ish maybe
You think it’s possible I know it’s a loaded question