06-30-2008, 06:43 PM
you might find that 4.0 works harder than a 5.0 in that set up...5.0 may get better MPG...just a thought.
77 built 306,Trickflow Cam/Alum Heads/dome pistons/10:1comp,nv3550,duff long arms,3.5" lift,family cage,protofab rear bumper,twin sticked, and 35KM2'sG.D.I.