05-30-2026, 03:03 PM

Steve Shively Steve Shively is offline

Senior Chief

Join Date: Jul 2002

Location: Kansas City, KS

Posts: 275

Yeah, I know, another camshaft recommendation

Looking for camshaft recommendations for a 455.

1974 455 with stock bottom end, no forged internals. Currently has 4X heads, I have a set of 6X-4's I plan to build, as well as change cam. Car is a 1968 Firebird 400 HO 4 speed M-20, 3.55 rear end, but will be switching to a 3.23 ratio. LBM manifolds, stock points ignition. Quadrajet carb on Performer intake

I know that 6X-4 heads are a common swap, so what are you running? I am open to all ideas from experienced builders. Thanks in advance!

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