ok thanks. and do you think i should go 4, 7 or 10 mill? is it possible to have a stock cylinder 10 mill? and should i even bother porting these cylinders over again since they're already bored .30 over or should i just do like a 7 or 10 mill cub? and what kind of override tranny do i do? would i be able to do a dunable override or should i do a different one? thanks
-kevin