Horspower Qeustion for the LT4 guys!!!

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Nov 16, 2006 | 06:00 AM

Wickedws6ta

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Horspower Qeustion for the LT4 guys!!!

Hey guys I was wondering how much rearwheel horsepower I should expect with my setup right now plus LT4 heads & intake and a good dyno tune???

Nov 16, 2006 | 07:10 AM

LT1MAN

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From: Charlotte, NC

what ive always heard is that the full lt4 setup makes 420 hp at the flywheel, so i would guess 340-360rwhp. not sure how much torque that setup makes.

Nov 16, 2006 | 07:19 AM

eLTwerker

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From: Metairie, LA

I got 450 flywheel with my setup.

Nov 16, 2006 | 09:07 AM

94 Formula

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I don't know how much the afr LT4 heads will change things, but I got 355 at the rear wheels through open exhaust with the LT4 conversion kit.

Nov 16, 2006 | 04:40 PM

1997bird

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From: Aztec, NM

Which AFR LT-4 head package, the Street or the Comp? I can put this into my dyno sim software and give you a pretty close flywheel HP and TQ #'s. I will also need to know if the block has been decked or not. The stock block's that I have checked the deck hieghts on are way off of GM's spec. And one last need is what piston's that you are useing and what cc combustion chamber heads you plan on useing.

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