98 Formula - LS6, ARHeaders, GMMG, TR224 = 400hp

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Oct 10, 2008 | 10:12 PM

Pushead

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Staging Lane

Joined: Dec 2007

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From: Cleveland, OH

98 Formula - LS6, ARHeaders, GMMG, TR224 = 400hp

1998 Firebird Formula

Airbox mod
Lid
smooth bellow (I know, mostly looks)
stock TB (non polished)
LS6 intake
stock heads
TR224 - 114
American Racing Headers 1 3/4"
Catted Y
GMMG

M6, stock rear end

Tuned at Hutter Performance in Chardon, OH

402hp at 6295rpm
385ft/lbs at 4745rpm

http://www.youtube.com/watch?v=_vvO7V1CHz0

Oct 11, 2008 | 12:29 AM

navyblueSS

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From: Jonesboro, LA

Very nice numbers from such a mild setup. Congrats.

Oct 11, 2008 | 05:53 AM

venom ws7

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From: EARTH

Great numbers Congrats man and on Mustang dyno too.

Oct 11, 2008 | 06:09 AM

Pushead

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Staging Lane

Joined: Dec 2007

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From: Cleveland, OH

Thanks! Yeah, I was shocked. I was figuring around 380.

Oct 11, 2008 | 07:50 AM

Hardtop

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From: LaPlata, Md.

Nice numbers.

Oct 11, 2008 | 04:54 PM

CAMAROZ28AQUINO

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From: North Bay, Ontario

good god those are some wicked numbers man, stock intake basically and a TR on a 114 even. Go with a fast and a set of AFRs and i bet youll pick up a ton more. Great numbers bro, esp. for the 98 model year!

Oct 11, 2008 | 05:00 PM

Damian

LSX Mechanic

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From: Atlanta

That TQ curve is SICK my friend, SICK. That's where it counts. Very nice #'s through cats as well. You're probably in the 415rwhp range without cats and a retune.

Congrats.

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Oct 11, 2008 | 06:22 PM

Pushead

Thread Starter

Staging Lane

Joined: Dec 2007

Posts: 99

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From: Cleveland, OH

I'm right at where I want to be for right now. From what I've read the cats are a must for the GMMG, and I need them to pass emissions anyway.

I know there is a bunch more power available if I decide to do heads and a larger TB/Intake setup. I'm extremely happy with the mods as of right now.