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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 09-02-2009, 07:57 AM   #1
rodimus prime
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First time at the track in 2 years. Ran my l99.

Its a CAI/ headers/tune l99.

First pass ever in the car.




Launched at maybe a hair under 1000rpm. Small burnout and 41 psi in all tires.

I raced a h/c/i 95 vette. It supried me a lot. I talked to him afterwards and found out what was done.

http://s664.photobucket.com/albums/v...90901-1825.flv
Great quality vid. LOL

My second run for the night. Place was packed.

http://s664.photobucket.com/albums/v...90901-2126.flv

Feel free to ignore my nephew (camera guy) LOL.



I was planning on launching of idle to get a bit of flash out of the stall, but instead for some reason I launched a bit above 1000 rpm. The times are almost identical though with only being a hundredth off.

I was really shooting for a 12.5/12.6. But with only 2 runs Im not going to complain. I dont think she had much more in her there. Next comes my stall.

Last edited by rodimus prime; 09-02-2009 at 08:39 AM.
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Old 09-02-2009, 10:45 AM   #2
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Good runs. Conditions must have been fairly good.

What rpm stall are you going for?
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Old 09-02-2009, 10:53 AM   #3
rodimus prime
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It was about mid to low 70s for the first run.

The second run 3 hours later felt way cooler and the car said it was about 68. So I thought for sure I could knock 1/10th off with the better air. I botched the launch and obviously it didnt happen.

Ordered a yank 3600 for it. The car shifts into 4th at the very end of the track. I didnt catch the rpm it was at, but Im going to see if they can safely stretch 3rd gears shift point out a bit more.
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Old 09-04-2009, 12:16 PM   #4
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Great runs. You have to be proud of that really. 12s on the street and reliable daily drive. That is very respectable. Thanks for sharing your results.
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Old 09-04-2009, 12:51 PM   #5
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Good results
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Old 09-06-2009, 08:53 AM   #6
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Nice runs
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Old 09-06-2009, 10:18 AM   #7
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Good runs. Keep the fronts at 41 psi but lower the rear tire pressure to 26 or 27 lbs, that will help them hook up sooner.
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