427 BBC pistons closed chamber ideas or?

[Alan Roehrich]

Originally Posted by sean1970ss

Alan Thank you very much!!! Few questions Would you go 55mm and a 904 lifter? What size push rods? rods? Again Thank you so much sir. Sean

I would absolutely go with 0.904" lifters, and if you can get 7/16"x0.165" wall pushrods, that's the way to go,sometimes dual taper will fit where straight diameter won't. If I were going to go for a bigger core, I'd go 54MM babbit bearing.