Anyone done a strong 400 build ?

MOPARMAGA said
Thank you !
264-268 @ .050 - .664-.674 on 108, installed 2 degrees retarded.
I should be around 274 - 286

That's about what I'm looking at for my 470 build when I get to it. Minus the TR though. Can't wait to see the hotrod of yours make some passes.