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How far can i go with 450whp at 2400lbs...

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Old Aug 22, 2010 | 12:27 PM
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Default How far can i go with 450whp at 2400lbs...

im going to schedule some dyno time for myself this week and im trying to decide if its worth it for me to do a race gas tune. I will make about 450whp on pump gas at about 20psi. (last time it was 430whp on 18 psi with a worse manifold and slightly smaller turbo).

my car weighed 2313 with me last week on the scales. ill be using 24.5x8.5x15" m&h's. the car will see a few test n tunes and likely either the 11.5 index or fast bracket class at fall nats, but most of it will be friday night cruising. id like to consistantly run 11.0-11.5 and maybe touch a 10.9 once to say i did it.

whats your insight on this. ( edit - fuel injector and turbo size will limit me to around 520-540whp).
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Old Aug 22, 2010 | 12:30 PM
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Default Re: How far can i go with 450whp at 2400lbs...

i went 11.30's with 405whp and 2500lbs, so as long as u can drive and ur cars setup right as far as suspension, u should be well into the 10's.
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Old Aug 22, 2010 | 12:34 PM
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Default Re: How far can i go with 450whp at 2400lbs...

I went 10.7 @2400lbs wit me in the car...my car made little over 450 20psi 93 octane
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Old Aug 22, 2010 | 02:56 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Went 10.38@138 2450 w/driver. 499 HP if that helps.1.61 short time .....24.5s mt's
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Old Aug 22, 2010 | 03:01 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Went 11.1@ 127 With 427 on a SOHC
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Old Aug 22, 2010 | 05:43 PM
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Default Re: How far can i go with 450whp at 2400lbs...

i went 10.7@133 with 480ish whp in a 2600lb hatch
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Old Aug 22, 2010 | 07:22 PM
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Default Re: How far can i go with 450whp at 2400lbs...

good insight and personal experience.

as for driver im not the best. i usually cut a 1.9-2.0 60ft with my 225 bfg's and could come out of the hole better, but i dont think ive ever missed a gear or anything like that.

considering ill be driving the car to and from the track (1-2 hours each way depending on which track) pump gas would be the easiest choice...
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Old Aug 23, 2010 | 10:29 AM
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Default Re: How far can i go with 450whp at 2400lbs...

i went 11.43 @ 127...dyno'd 405whp with a SOHC, (was probably pushing 440whp the day at teh track) in a 4dr eg civic. civic weighed 2450 without me in it (i weigh 180)

also went 11.1 @ 130 (only made 2 passes) dyno'd 490whp on a b18c1 in a 4dr integra gsr. weighed 2520 without me.

both were 1.7x 60 foots
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Old Aug 23, 2010 | 12:19 PM
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Default Re: How far can i go with 450whp at 2400lbs...

i went 10.64@137mph on about 480whp'ish. The car was on C16 (but it was detuned, due to no cage). I'm sure i would have made the 480whp on pump gas and would have ran the same #
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Old Aug 23, 2010 | 12:33 PM
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Default Re: How far can i go with 450whp at 2400lbs...

^^ in a 2500-2700lb car? 137 is a big trap for 480whp. unless its in a 2200lb car lol
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Old Aug 23, 2010 | 12:36 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Originally Posted by fast2camciv
^^ in a 2500-2700lb car? 137 is a big trap for 480whp. unless its in a 2200lb car lol
2356lbs with me in it
Car without me
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Old Aug 23, 2010 | 01:07 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Originally Posted by blackeg
i usually cut a 1.9-2.0 60ft with my 225 bfg's and could come out of the hole better, but i dont think ive ever missed a gear or anything like that.
Yeah, those 24.5" slicks will vastly improve those 60 ft. times & help that 10 sec. pass come along nicely. And with your weight and whp, it shouldn't be a problem at all.
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Old Aug 23, 2010 | 01:46 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Originally Posted by Silva Bullit DC4
Yeah, those 24.5" slicks will vastly improve those 60 ft. times & help that 10 sec. pass come along nicely. And with your weight and whp, it shouldn't be a problem at all.
yeah. i went to the track on bfg's last week first pass out with the car ever was 12.3@123.

2.05 60ft. using 12 psi 1st and 2nd and then 15 psi 3rd and 4th. say i cut that down to a 1.8 60 i should be just about 12 flat. my real problem is i cant run more boost in 2nd gear and have it hook so im kind of at a stalemate. i called today to order rims for my slicks, so hopefully get it going in the next 2 weeks
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Old Aug 23, 2010 | 02:07 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Originally Posted by Poootie
2356lbs with me in it
Car without me
[IMG]http://i267.photobucket.com/albums/ii314/MrPootie/IMG_6496.jpg[IMG]
LOL looks like i nailed it within 20lbs lololol

and i digress...i miss-read the OP. He said 2313 WITH him in it. thats a 10 second car fairly easily. judging from my short times, i should have been able to squeek out a 10.8-10.9, but the head dropped a valve on the 2nd run and destroyed the motor that was in a 2700lb full interior 4dr integra. 400lbs off that should be easily into the 10's.

Good Luck!
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Old Aug 23, 2010 | 02:35 PM
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Default Re: How far can i go with 450whp at 2400lbs...

Power is there. Get it to hook and it shouldnt be a problem.
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Old Aug 23, 2010 | 03:26 PM
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Default Re: How far can i go with 450whp at 2400lbs...

I went 11.07@126 with 375whp on pump gas at 2450 lbs
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