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How Much Hp Does A 454 Big Block Have. 454 big block performance specs. Chevrolet 454, chevrolet big block, chevy 454, top 10 engines.

Mailbag Rejuvenating an Old 454 Big Block Chevy
Mailbag Rejuvenating an Old 454 Big Block Chevy from www.onallcylinders.com

Herein, how much hp does a 454 big block have? The two production models of chevrolet’s 454 v8 engine, the ls5 and ls6, produced 360 and 450 horsepower, respectively. Sounds like the power valve to me as well.