Street Racing & Kill Stories Basic Technical Questions & Advice

Pullied Cobra vs LS3

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Old 06-12-2012, 11:11 PM
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Wow that was unexpected..nice kill for your friend haha.

Naw he needs procharger before trying a Mach 1.
Old 06-12-2012, 11:19 PM
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That was ugly. by "pullied" did you mean that he just had an actually pulley ont he blower or was it aftermarket lol.

Pullied is such a general term nowadays but that camaro rolled out.
Old 06-12-2012, 11:27 PM
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good thing the cobra had those super sweet 4.10's on a car with a power band from idle to redline
Old 06-12-2012, 11:31 PM
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Expected with the camaro setup.

Can I have more info on it? Cam and head selection?
Old 06-13-2012, 12:07 AM
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Originally Posted by V8EATR
good thing the cobra had those super sweet 4.10's on a car with a power band from idle to redline
Dont they make torque from like negative 6k RPM? lol... Oh wait that was the Mach 1 that had the bi-polar powerband.
Old 06-13-2012, 12:51 AM
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high gears like that on a roots/twin screw car and street tires usually equals fail.
Old 06-13-2012, 12:57 AM
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damn, that was a beat down. Good kill
Old 06-13-2012, 01:01 AM
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you know you got creamed when the camera has to look for you out the back window lol

great job dude

Originally Posted by lemons12
Expected with the camaro setup.

Can I have more info on it? Cam and head selection?

also interested in this question
Old 06-13-2012, 01:22 AM
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That Camaro boogies
Old 06-13-2012, 08:54 AM
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Originally Posted by lemons12
Expected with the camaro setup.

Can I have more info on it? Cam and head selection?
Originally Posted by itsslow98
That was ugly. by "pullied" did you mean that he just had an actually pulley ont he blower or was it aftermarket lol.

Pullied is such a general term nowadays but that camaro rolled out.
Forged 377ci LS3 (had a hone)
Compstar Rods
Wiseco Pistons
11.1 CR (I think, it's 11.0-11.2 somewhere in there )
Stock LS3 crank
PRC 237cc cathedral port heads
Ported FAST 102/NW 102 TB
Pat G cam (23x/23x)
Yank SS4000
3.23 gears
Rock solid tranny built by our buddy (anyone near STL needs a 4L60 built, I'll hook you up with him...also does heads/manifold port work)

Made 458rwhp, torque was just a couple shy of 400 I believe, maybe like 397.

Originally Posted by itsslow98
That was ugly. by "pullied" did you mean that he just had an actually pulley ont he blower or was it aftermarket lol.

Pullied is such a general term nowadays but that camaro rolled out.
Aftermarket pulley.
Old 06-13-2012, 10:01 AM
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Originally Posted by WSsick
Forged 377ci LS3 (had a hone)
Compstar Rods
Wiseco Pistons
11.1 CR (I think, it's 11.0-11.2 somewhere in there )
Stock LS3 crank
PRC 237cc cathedral port heads
Ported FAST 102/NW 102 TB
Pat G cam (23x/23x)
Yank SS4000
3.23 gears
Rock solid tranny built by our buddy (anyone near STL needs a 4L60 built, I'll hook you up with him...also does heads/manifold port work)

Made 458rwhp, torque was just a couple shy of 400 I believe, maybe like 397.



Aftermarket pulley.
I bet the torque/power curve of the motor has a lot to do with it.
Old 06-13-2012, 10:20 AM
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Nice work! LS3 Camaro moves out!
Old 06-13-2012, 10:22 AM
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Originally Posted by brians91formula
I bet the torque/power curve of the motor has a lot to do with it.
Converter flashes to 5700 so it's always in the powerband.
Old 06-13-2012, 11:03 AM
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Originally Posted by WSsick
Converter flashes to 5700 so it's always in the powerband.
With that setup I bet those dyno numbers are really closer to 500 too, even with the stalled A4.
Old 06-13-2012, 11:06 AM
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i never saw a cobra lose so bad before lol
Old 06-13-2012, 11:11 AM
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458/397 sounds like h/c/i ls1 numbers. even through a stalled auto. granted, it would never happen with a cam that small and i know the tq curve on that ls3 motor is much better.
Old 06-13-2012, 11:17 AM
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I expected that, good kill! Termi's have this rep that just does not add up, there just like any other car, some are stupid fast some are not!
Old 06-13-2012, 11:36 AM
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Originally Posted by WSsick
3.23 gears
He trying to save some gas money?

Haha, just seems a bit odd for a NA build.
Old 06-13-2012, 12:07 PM
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Once i saw the cobra's mods with the 4.10's i was actually looking at the ground behind the cobra to see if he was going to lay down some tire. You can barely see it but he did. Cammed or full bolt ons gears, good idea. Supercharged, street tires and torque everywhere bad idea, lol. Is he in his powerband long enough with the short gearing?.

I remembered, street tires ofcourse i would only be able to keep up with my friends G37 on the street 0-60mph with the 4.10's. As soon as i got to my top end and got there quickly i had to shift. With 3.42's i was able to pull on him a bit better, but tires would've gone a long way for me. Once i installed my NT05'r it had a ton of traction from an N/A motor. Even after the tires with traction i was not in my powerband long enough in 1st or 2nd to pull very hard. I can only imagine this cobra, lol.
Old 06-13-2012, 12:23 PM
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I think the car is lighter than stated. That Camaro is a beast and knew what was going to happen. 10 sec car vs high 11 sec car if has a good driver.


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