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Pullied 03 Cobra vs 04 Twin Turbo Gto

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Old 10-21-2014, 12:16 AM
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Default Pullied 03 Cobra vs 04 Twin Turbo Gto

Took a nice long trip to mexico 3 weekends ago. My cobra vs my buddy in his twinned Goat

Cobra has 2.81 pulley with x pipe and catback exhaust, intake, dyno tune, pump gas, 470/470

The Gto has twinned 67's precision turbos 6 psi, dumped exhaust, intake, street tuned, weight reduction, e85 Stick car 550+ Whp.

Both cars had a passenger.



Shouldn't of been as close imo. With his weight reduction he probably is lighter than me.

Good runs for sure

Last edited by Fahcue; 10-21-2014 at 08:24 AM.
Old 10-21-2014, 12:38 AM
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Good runs. GTO's just never seem to run what the mods suggest.
Old 10-21-2014, 04:44 AM
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Nice runs! I would've thought the goat would have pulled a bit harder
Old 10-21-2014, 05:50 AM
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Good runs! But the only year to have is the 2005-06 ls2 model. One of the best DD iv'e ever had. That ls1 was weak in those models turbos or not lol
Old 10-21-2014, 06:16 AM
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Nicely done, you hung in there pretty well. The gtos have been know to disappoint esp the early ones.
Old 10-21-2014, 06:39 AM
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Friend of mine has a TT GT0 and his made a little more power with the stock motor (LS2), and that's about what his car would do. Slow to spool and would fall on the gear change, but once he got in 4th gear it would pull hard.

Good death!
Old 10-21-2014, 07:18 AM
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Does he plan on building the motor? Seems like that's a lot of money to spend to be barely even using the turbos.
Old 10-21-2014, 07:18 AM
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Good run! But why was the 2 door Tahoe banging the limiter in every gear?
Old 10-21-2014, 08:22 AM
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Originally Posted by NastyTBSS
Good run! But why was the 2 door Tahoe banging the limiter in every gear?
Yeah.... IK
Old 10-21-2014, 08:23 AM
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Forgot to mention he is E85 and im pump gas
Old 10-21-2014, 08:23 AM
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Originally Posted by sw07gt
Does he plan on building the motor? Seems like that's a lot of money to spend to be barely even using the turbos.
Not sure
Old 10-21-2014, 09:22 AM
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The car also has a cam. I forgot all what he found was done to the car, he said it was more of an LS6ish setup than an LS1. Forgot exactly what he said it had now though.
Old 10-21-2014, 10:06 AM
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Nice runs! My buddy with a cobra that makes the same power i do ran a 418 stroked LS2 ported head cammed GTO a week ago and they went door to door.
Old 10-21-2014, 10:13 AM
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GTo needs to turn it up alot
Old 10-21-2014, 10:21 AM
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i give that motor a month...he needs to learn how to shift before smacking the limiter..
Old 10-21-2014, 12:09 PM
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My heads cam ls2 GTO pulled pretty damn good on a cobro just like yours... Looks like the GTO was on some dumb *** big wheels... ****** noobs..
Old 10-21-2014, 12:21 PM
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Originally Posted by 6PntHo
My heads cam ls2 GTO pulled pretty damn good on a cobro just like yours... Looks like the GTO was on some dumb *** big wheels... ****** noobs..
Doesnt make much sense. What does a HC LS2 put down? mid 400s? Just like a pulley cobra. Weights are similar with the cobra likely being slightly lighter. Should be a drivers race IMO. I know bolt on ones havent been much issue for me. I havent raced a HC one.
Old 10-21-2014, 01:11 PM
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Originally Posted by 2003Cobro
Doesnt make much sense. What does a HC LS2 put down? mid 400s? Just like a pulley cobra. Weights are similar with the cobra likely being slightly lighter. Should be a drivers race IMO. I know bolt on ones havent been much issue for me. I havent raced a HC one.
I made 460, car pulled like a raped ape.
I ran the same guy when I was cam only and he pulled me by a car, I added a set of heads and pulled at least 2 cars.
Old 10-21-2014, 01:20 PM
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Originally Posted by 6PntHo
My heads cam ls2 GTO pulled pretty damn good on a cobro just like yours... Looks like the GTO was on some dumb *** big wheels... ****** noobs..
noob(s)?
Old 10-21-2014, 01:30 PM
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Originally Posted by 2003Cobro
Doesnt make much sense. What does a HC LS2 put down? mid 400s? Just like a pulley cobra. Weights are similar with the cobra likely being slightly lighter. Should be a drivers race IMO. I know bolt on ones havent been much issue for me. I havent raced a HC one.
It makes sense. I test drove an 06 with a VRX5 Cam and full exhaust, thing pulled pretty damn hard honestly. Just felt wayyyy too big.

Originally Posted by 6PntHo
I made 460, car pulled like a raped ape.
I ran the same guy when I was cam only and he pulled me by a car, I added a set of heads and pulled at least 2 cars.
Damn, bet it pulled really hard. The one I almost traded for made 400-420ish and it pulled pretty good. I wish I would've bought it, as that thing was comfy as hell to drive. Wouldn't mind one, just too bland of a look and feels too big for my taste.


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