Jet Boats
Looking to get some input as to "is my cam too big for my exhaust". Changed exhaust now I have revision issues!
engine is a BBC gen V 454, 9.5CR, steel heads, cam spec: solid lifter, 249/254 @.050, .615I/.626E lift, 110 lobe sep, 106CL with 4deg adv.
My motor was built for OT headers and I...