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Approx. HP for Big Block?

Old 12-14-2001, 10:14 PM
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467-Ratman
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Default Approx. HP for Big Block?

Any idea on the approximate hp my big block motor will crank out? Its a 454, .030over with crane hydaulic cam 292-2 , Merlin heads, 310cc intake runners, 119 cc combustion chambers, Crane Gold race roller rockers with GM high rise intake and Holley 780 dual feed carb
Old 12-15-2001, 01:30 AM
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Les
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Default Re: Approx. HP for Big Block? (LT1-Tom)

You could probably use more carb to get max HP w/ your combo. Your exhaust system can also have a big affect on the numbers. Car Craft just ran a bigblock comparison between Chevy, Ford, Mopar, Buick, & Pontiac. With a similar combo the Chevy 454, using an 850 Holley carb if I remember right, put out something like 530 HP- I'd guess that you're somewhere in that neighborhood.
Old 12-15-2001, 03:27 AM
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marky mark
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Default Re: Approx. HP for Big Block? (Les)

I would say over 500hp at the flywheel also. Nice little monster you got there! Torque probably not too shabby either.

Regards, Mark :flag :chevy

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