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Re: Best investment with a TBI 454
yes the tbi 454s don't have much compression to play with, they wont support a very big cam. however the factory cam is so pathetic you almost have to start there.
if you are ditching the tbi, i'd look at the Comp Cams XE274H. Guys have had a lot of good luck swapping that cam into low compression 454s.
get a good manifold, carb, cam and headers and you have a healthy motor.
trying to go any bigger than that you're gonna end up rebuilding the motor to bump up compression
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