ok lets see where to start 340,40 over 195 psi cyc pressure ,port an bowl work to x heads port match intake ,284-528 528 purple cam 34*total timing ,holley750 72 jets primary 80 jets sec 38 squirter's, msd , plugs gap 45, 391gears posi 904trany 2500 stall trans built buy pro 30 yr mopar trany...