Originally Posted by 974x4Taco
Not in this case.
6.5's suck....that 454 will run circles around your current truck assuming it has 4.10's. Hell a vortec 350 would give that 6.5 a run for it's money.
That's kinda what I was thinking, I just haven't driven too many "vortec" 454, I've toed with the Chevy 6.0 before