Street Racing & Kill Stories Basic Technical Questions & Advice

98z (cammed) vs 04 Cobra (pullied)

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Old 03-24-2007, 09:53 PM
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Originally Posted by red2003cobra
He can't drive. With those mods he should be in the 11's. His trap speed is a little low too. 4.56 gears are way too much for a T-56 car on FI IMO. It's hard for me to get traction with the stock 3.55's.

Lance
i agree however a bolt on cammed stalled and tuned ls1 should dip in the 11s as well.if he wouldve been tuned he wouldve beat his buddy to begin with.
why do people put low gears in fi cars.ill never figure it out.
Old 03-24-2007, 11:30 PM
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im going to assume you are cam only with bolt ons. and he is fairly new to the cobra cause that slp package is a waste of money much better parts to be had for cheaper, imo. when you raced you had what 380 rwhp give or take a little. the cobra dependin on the pulley has around what 430-460 before the headers give or take a little also. with that said if he learns how to drive that car you will need that 150 shot or upgrade to a bigger cam and throw some heads on too and not worry about him until he upgrades his supercharger. so my money is on the cobra.
Old 03-24-2007, 11:39 PM
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Just have some DR and be ready to hit the nitrous. No problems he has a Supercharger so that would only be fair.
Old 03-24-2007, 11:43 PM
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Originally Posted by jester177
when you raced you had what 380 rwhp give or take a little. the cobra dependin on the pulley has around what 430-460 before the headers give or take a little also. .
When i raced him in my A4 98z i had small cam (224/224),longtubes,exhuast,lid and i wasnt even tuned yet..... I dont think that was even close to 380rwhp lol
Old 03-25-2007, 01:36 AM
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Originally Posted by jester177
im going to assume you are cam only with bolt ons. and he is fairly new to the cobra cause that slp package is a waste of money much better parts to be had for cheaper, imo. when you raced you had what 380 rwhp give or take a little. .
I hate to say it but he probably doesnt even have that. Those TC's drop alot of rwhp. Torque converters are good for the track but bad for the dyno.

Spend the $500 to get your car tuned. With your mods you should have been at least 12.0
Old 03-25-2007, 03:36 AM
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i was just throwing out at best numbers for that car since its now tuned. i wasnt paying attention when it said he didnt have it tuned for the race. either way the cobra if he can get traction should still beat him unless he sprays
Old 03-25-2007, 07:56 PM
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Originally Posted by HTX
Spend the $500 to get your car tuned. With your mods you should have been at least 12.0

Yea, i think i should have been close to 12.0 that day IF i would have had a tune, then i could have bragged to my friend in his cobra that i beat him....instead of running the same time he did!.... but at the same time, i think if he drops his 60ft from 1.9 to 1.7 like me, he should be at 12.0 as well.... Its an on going battle with me and him in our small town. Hes the guy known with the quick cobra and im the fast camaro, so we're always having a chevy/ford battle.
Old 03-25-2007, 08:40 PM
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with his previous 60' times it should be a very interesting race with the 4.56 gears but if he learns to drive a bit better he's gonna win hands down.
Old 03-25-2007, 09:09 PM
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Originally Posted by 1fastz
Yea, i talked to him the last night and he re-thought it and hes not going with those gears anymore.... and yea, hes MPH was higher than mine, but i think it was mostly due to my car not being tuned and banging off the rev limiter and shifting real late which seemed like an eternity. I never had problems with other year cobras, even if they were supercharged, but damn those 03-04's!!! Finally some good competition!!! I think us ls1 guys needed it!!! What also scares me is that he said he almost has enough money saved up to get a TWIN SCREW kenne bell super on there!!!!! ... In that case.. i will definetly have to spray on him!!!!
Definitely get your car tuned. There is some more power to bad had with a good one.

Yea, watch out for those twin screws. There is always someone faster, but in most cases a twin screw just about equals death to any car it races. And you damn LS1's with your big shot of nitrous put a lot of car 6 feet under also. Lol. That just reminds me that I need to keep modding. Good luck with the next race. Let us know how it turns out.
Old 03-25-2007, 09:10 PM
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If the Cobra 60' foots better then I think the win would go to him if he can't hook or has to slip the clutch to get off the line so his IRS doesn't give the win will go to you.
My Cobra goes 127mph on the stock blower with out the spray at 11.6, but that because I can't keep the IRS together and I'm slipping the clutch and only cutting a 2.0 sixty footer on DR. Broke two IRS's in three weeks
Old 03-25-2007, 09:18 PM
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Originally Posted by RainMan2006
with his previous 60' times it should be a very interesting race with the 4.56 gears but if he learns to drive a bit better he's gonna win hands down.
Nah, he decided NOT to go with the high gears (4.56)... hes just going to make the rear end stronger. but he did get a bigger heat exhanger (dunno if that helps much?) and he added long tube headers.

I added a higher stall, from a 3200 to a 3800 (so i should have even a lower 60ft than before) and i got a LS6 intake, 85mm ported/polish TB and im getting a tune(finally!).

Originally Posted by Oldbones
My Cobra goes 127mph on the stock blower with out the spray at 11.6
Holy sh*t!!!! nice trap speed!!!!...like i said, pullied/modded cobras are beast on freeway runs!!!
Old 03-25-2007, 09:18 PM
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Why is he putting a 4.56 gear in his car?
Old 03-25-2007, 09:23 PM
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Originally Posted by Oldbones
Why is he putting a 4.56 gear in his car?
No, he is not putting any upgraded gears in his car.... he decided not to.
Old 03-25-2007, 10:21 PM
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What size pulley is he running? Is he looking into a port job on the blower and a lower pulley as well? Just curious. Yeah, 4.56 gears would be stupid on a 03/04 cobra.

Lance
Old 03-25-2007, 11:20 PM
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Originally Posted by red2003cobra
What size pulley is he running? Is he looking into a port job on the blower and a lower pulley as well? Just curious. Yeah, 4.56 gears would be stupid on a 03/04 cobra.

Lance
Hes running the pulley that comes with the SLP package. i dunno which one that is..... i dont think he plans on porting the stock blower, but he was talking about a twin screw.
Old 03-25-2007, 11:40 PM
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Originally Posted by Oldbones
My Cobra goes 127mph on the stock blower with out the spray at 11.6,
Damn bro, that's impressive.

Were you ported?

What pulley combo were you running when you ran this time?
Old 03-26-2007, 12:05 AM
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It's Ported, I've got a 10lb lower and 3.1 upper, dynos 540rwhp on blower it's a stiggy 3 making only 9psi due to the VE of the built motor. The motors been gone thru and the heads have been cleaned up a little and the car has cams and LT.
Lost my job to a plant closing, so the cobra is on the back burner for a bit, next up is a solid 8.8, then a 3.4l whipple.

Last edited by Oldbones; 03-26-2007 at 12:16 AM.
Old 03-26-2007, 11:18 AM
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At the track my money is on you, on the street from a roll you would need to spray to beat him.
Old 03-26-2007, 11:20 AM
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Originally Posted by 1fastz
Hes running the pulley that comes with the SLP package. i dunno which one that is..... i dont think he plans on porting the stock blower, but he was talking about a twin screw.

Good news for him, bad news for you if he goes twin screw. Def need that 150 shot then.
Old 03-26-2007, 11:26 AM
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Hey there is no shame in spraying to win a race, that's a mod you paid good money for just like any other mod. I get pissed when people imply that spraying is cheating or something, and I don't even have any! Run what you brung, right?

IMO, you should spray his *** and see how it turns out. And get it on vid so we can watch.



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