bigs 950 stage 5 plus,indy intake ported,indy 360-1's hand ported to 228cc port using moderns cnc specs,268/272@50-.714/.688-108,1 7/8 tti,cp pistons,forged eagle crank.
if i just put the 12:1 compression to the 408 it makes more power than the 427 with 12:1 compression. using the 3.79 crank may be the way to go.