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Modded C5 vs 05 GTO LS2 ???

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Old Mar 11, 2008 | 10:23 PM
  #1  
corvettejoe98's Avatar
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Default Modded C5 vs 05 GTO LS2 ???

Question guys from a ROLL on or a traffic light. Could my C5 with the following mods (there mostly bolt on so just bare with me)
K&N Dual Cone Intake
Ported Mass
High flow air bridge
Ported throttle body
LS6 Intake Manifold
Throttle body coolant bypass
160 degrees thermostat
American Racing Headers w/ high flow cats
Street tune
Corsa Pace car mufflers
(I believe thats everything)
The car is a 99 coupe 6-speed

so could my car beat a stock 2005 GTO with the LS2 motor in it?
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Old Mar 11, 2008 | 10:50 PM
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500 lbs weight diff close to the same power you should take him i have never raced one though i am just speculating
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Old Mar 11, 2008 | 11:40 PM
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Yes you should walk away from him.....my friend with half the mods you have beats one of my other friends stock 2005 GTO everytime
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Old Mar 11, 2008 | 11:42 PM
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Witnessed this same run about a week ago at the local meet.....45 mph roll.

2000 C5 auto with Ti catback, cat-delete pipes, K&N FIPK, 2.73 rear and tune versus bone stock 2005 GTO.

GTO pulled him by almost two car lengths up to about 130 mph. Given you're a stick, and have about 35 rwhp more with your mods and substantially better gearing I'd say you should not have a problem but it won't exactly be a rape or anything...

Out of the hole is a different story. If you can gain traction you'll walk him as they are pigs from a dig...
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Old Mar 12, 2008 | 12:22 AM
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If you get traction and hit your shifts good, then you will beat him no doubt. I raced my friend with an 06 M6 gto with dual cut-outs against my Auto 04 C5 with a vararam and a tune(I have 3.15 gears) and I beat him by 1 1/2 cars in the 1/4. Since you have all those mods with the stock 3.42 gears you should easily beat him. I know a bunch of guys running mid 12s stock the M6 vettes here at atco and a few with just a few mods(less than you) running the same times so you should be good to go as long as you can drive.
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Old Mar 12, 2008 | 01:16 AM
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I ran my FRC bone stock(stock tune) against my buddy's 06 GTO with full exhaust/ported intake/ported TB/dyno tune(made 388rwhp corrected) from a 40 roll to 130 and pulled him a total of around 2 ft. You'll destroy a stock LS2 GTO with your mods
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Old Mar 12, 2008 | 07:11 AM
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thank you guys thats what i wanted to know
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