Street Racing & Kill Stories Basic Technical Questions & Advice

2.8 KB Cobra?

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Old Jun 13, 2007 | 11:58 AM
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Default 2.8 KB Cobra?

What would it take to beat an '03 that supposedly pushed 18psi on 93? I have a 2000 Z, Cam, full intake/exhaust, 4:10s in a 12bolt, M6, DRs. The race would be done on a 1/4 track.
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Old Jun 13, 2007 | 12:11 PM
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add a 100 shot to your car and you got him.
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Old Jun 13, 2007 | 01:15 PM
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Originally Posted by capn smokey
add a 100 shot to your car and you got him.
It's gonna take a hell of a lot more than a 100shot to take out a 2.8KB Cobra. That's for sure.

Anyone who is gonna throw a 2.8KB on their Cobra is gonna have a serious set up, well into the 600+RWHP range.

But OP, we need a little more info about your set up. Do you have heads?.... And what size cam? What power numbers are you putting down with your current set up.

Even If you have H/C/I, you'll need at the very least a 150 shot. The 2.8KB blower isn't a joke.
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Old Jun 13, 2007 | 01:22 PM
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sry i didnt read the title, might wanna step that up to a 200-250 shot.
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Old Jun 13, 2007 | 01:26 PM
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Originally Posted by capn smokey
sry i didnt read the title, might wanna step that up to a 200-250 shot.
How about the new engine hes gonna need after he sprays that?
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Old Jun 13, 2007 | 04:08 PM
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Its an Ls1, with the right tune he could be alright
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Old Jun 13, 2007 | 04:19 PM
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Just figure out how to trap ATLEAST 130mph.... and then it should be good. Now way to say what you will need other than FI or a healthy shot. I drive a 2.8KB Cobra @ 18-19lbs boost. If he cant drive, who knows, you could beat him with a 100 shot in a 1/4 mile race. Just figure out how to get your traps up to 130-135mph.
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Old Jun 13, 2007 | 04:49 PM
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its gonna be hard to do unless you have at least a 150 shot slicks and skinnies, and run a 1.5 60ft while hes on street tires. not bn a dick just reality
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Old Jun 13, 2007 | 09:33 PM
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i agree. he is probably around 600 rw so you will probably need to be 550+ to hang.
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Old Jun 13, 2007 | 09:53 PM
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Who knows he could be a dumbass and have a jacked up set-up, or not know how to drive. You should probably get a 150 shot, if you want to hang at all though.
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Old Jun 14, 2007 | 12:02 AM
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If you can beat him out the hole you have a pretty good chance.....with a 150-200 shot
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Old Jun 14, 2007 | 01:33 AM
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150 aint gonna do s***. that kb is pushin over 600. your gonna need a built motor, and a large shot of spray 200+. and my guess is, someone pushin that type of power probably knows how to drive.
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Old Jun 14, 2007 | 04:07 AM
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If he's running a 2.8, he should easily be at 600 whp. I have a 2.3 Whipple and dyno'd 579whp on our crappy 91. If he can drive, as mentioned make sure you trap over 130.
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Old Jun 14, 2007 | 05:22 AM
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good luck......h/c/i spray.........u will need......if he has the driver mod..(all cobra owners do) haha!!!!
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Old Jun 14, 2007 | 01:59 PM
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430 N/a some weight reduction 150 - 200 shot
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Old Jun 14, 2007 | 02:08 PM
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Originally Posted by M6Vette94
430 N/a some weight reduction 150 - 200 shot

Probably the most honest answer you've received so far. As long as you have the rear end and tire, I could care less if he's trapping 140mph. Your car on a good tire+150shot should take care of him.
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Old Jun 14, 2007 | 02:20 PM
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Originally Posted by tim99ws6
Probably the most honest answer you've received so far. As long as you have the rear end and tire, I could care less if he's trapping 140mph. Your car on a good tire+150shot should take care of him.
I know driver's vary....but fo rthe termin. owner to be ok with a 1320 dig race, he knows how to drive runnin' that setup (unless it is new to him). a 'Good' tire and 150 shot is not going ot take care of him.....unless that is good enough for a 10 sec. run in an Fbod.

As others have asked....What cam are you runnin'? IE: what is your N/A power?
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Old Jun 14, 2007 | 06:24 PM
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Originally Posted by slo-poc
good luck......h/c/i spray.........u will need......if he has the driver mod..(all cobra owners do) haha!!!!
funny u say that. see i make it my personal goal to smoke as many 03-04 cobras as possible and about half of these guys with pulley swaps have gotten smoked by a heavy as goat. hmmmmmm i wonder.... maybe the car was cold you know.. it could HAVE NEVER been the driver. lmao
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Old Jun 14, 2007 | 06:30 PM
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Originally Posted by Mac93
What would it take to beat an '03 that supposedly pushed 18psi on 93? I have a 2000 Z, Cam, full intake/exhaust, 4:10s in a 12bolt, M6, DRs. The race would be done on a 1/4 track.
Sell that LS1 and build a BIG motor, start from 402 and work your way up.
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Old Jun 14, 2007 | 06:56 PM
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How good of a driver is he, how good of a driver are you?
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