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Old 08-14-2005, 12:11 AM   #1
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91gta vs my 90 formula
I have a 90 formula with a rebuilt 305 TBI 3.42 gears exhaust and new tires and my friend just bought a 91 gta with 305 tpi with 76k posi exhaust underdrive pulleys but it has ****ty tires with no tread and no experience with the car who would win
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Old 08-14-2005, 01:47 AM   #2
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need more info. If both engines have the same gears, exhaust, and built completely stock, you might lose. Underdrive pulleys are only 5HP gain, dont worry about them. But, you have a newer engine and better tires which could make a huge difference. Plus a formula weighs less, no ground effects.

heres some info on TGO:
http://www.thirdgen.org/newdesign/tech/techdb.shtml

car HP TQ

90 Formula TBI stock: 170@4000 255@2400
91 GTA 5.0 TPI stock: 205@4200 285@3200
or
91 GTA 5.0 TPI stock: 230@4200 300@3200
Last edited by Firebat; 08-14-2005 at 02:01 AM.
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Old 08-14-2005, 01:18 PM   #3
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I say the TPI will win
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Old 08-14-2005, 01:26 PM   #4
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It will be close but the TPI car should win.
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Old 08-14-2005, 01:57 PM   #5
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I'll give it to the TPI car, if you drive well and he blows it, it'll be a tie.
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Old 08-16-2005, 03:29 PM   #6
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Quote:
Originally posted by lilbowilson
I say the TPI will win
Thats my vote also.
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Old 08-17-2005, 02:25 PM   #7
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Sounds to me like your already beat. unless he forgets how to drive the TPI should take ya.
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Old 08-17-2005, 03:54 PM   #8
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Another vote for thr TPI....sorry.
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1991 rs Camaro. Jasper 350(bored .040 over) B&M Megashifter, Open air element w/ K&N, 3 " Harwood cowl hood, Heddman headers into hi-flow cat into 3 inch flowmaster , stock tbi with vafpr and 65pph injectors. Caprice cop car computer chip. SLP posi with 3.42's out back,Tranny Cooler.
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Old 08-17-2005, 03:54 PM
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