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

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Old 08-25-2012, 07:33 PM   #1
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Long time listener, first time hitting the drag strip

Hey everyone,

I'm going to my first track day event on September 7th at Lebanon Valley, hosted by Jannetty Racing.

After searching the forums I've estimated that a 13.9 is a good goal for my 1LT/RS A6 w/ K&N CAI and MRT v2.0 Axle Back Exhaust. I'll be running the stock P-Zero Pirellis.

Does anyone have any advice how much or little tire pressure I should have? I've heard everything from 30PSI all around to 40 front, 30 rear.

Thanks in advance...
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Old 08-25-2012, 08:25 PM   #2
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Originally Posted by TROndrey View Post
Hey everyone,

I'm going to my first track day event on September 7th at Lebanon Valley, hosted by Jannetty Racing.

After searching the forums I've estimated that a 13.9 is a good goal for my 1LT/RS A6 w/ K&N CAI and MRT v2.0 Axle Back Exhaust. I'll be running the stock P-Zero Pirellis.

Does anyone have any advice how much or little tire pressure I should have? I've heard everything from 30PSI all around to 40 front, 30 rear.

Thanks in advance...
With street radials I wouldn't even bother changing the pressure...the difference will be minimal...especially for a first time racer. You have other things to figure out imho.
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Old 08-25-2012, 08:36 PM   #3
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There will be plenty of people there to help you. Honestly you'll need to try some things. Search the v6 stuff because those guys will have a better idea on what works. Us idiots don't really know what you need!!
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Old 08-25-2012, 11:12 PM   #4
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With street radials I wouldn't even bother changing the pressure...the difference will be minimal...especially for a first time racer. You have other things to figure out imho.
Good point.





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There will be plenty of people there to help you. Honestly you'll need to try some things. Search the v6 stuff because those guys will have a better idea on what works. Us idiots don't really know what you need!!
Thanks Jamie. Really looking forward to it, especially when I smoke that 1200HP V6 lol

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Old 08-26-2012, 12:34 AM   #5
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@ 36 psi my car will short light around 2.10- 2.20. @ 25 psi It will go 1.90-1.92.
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Old 08-26-2012, 10:50 AM   #6
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This is the best advice anyone can give a first timer: relax relax relax. Don't worry about beating the guy next to you or cutting a good light. Get comfortable with the way your car runs, then start doing things to make your 60ft better.
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Old 08-26-2012, 11:08 AM   #7
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Listen to ac/dc in staging lane, turn off t/c and stablitrack, and mean-mug shitty honda guys...lol
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Old 08-26-2012, 06:27 PM   #8
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Thanks for the advice everyone. I'm going to concentrate on learning how to feel how the car launches and goes down the track.

I'm going to start the tires off at the stock recommended 36PSI and only turning off T/C. I hear going sideways on a strip isn't good form.

IM ON THE HIGHWAY TO...more modifications :eek:

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Old 08-26-2012, 06:33 PM   #9
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You have the entire day so there is no rush. You'll be able to make as many passes as you want. If the track is prepped, which it normally is, a V6 car will hook with any tire pressure.
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Old 08-26-2012, 08:40 PM   #10
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With street radials I wouldn't even bother changing the pressure...the difference will be minimal...especially for a first time racer. You have other things to figure out imho.
I respectfully disagree. The last 3 friday nights I have been playing with tire pressures. I first ran with 35 PSI in the rears. I never hooked very well at all throughout the duration of the night. Next friday I tried 30 PSI, I hook pretty well and tried to get consistent with that to see if there were any issues I could iron out before deciding it was concrete. Last friday I tried 25 PSI and I hooked very well out of the box for the first 4-10 feet. I was impressed.

Stock p-zeros.
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Old 08-26-2012, 08:46 PM   #11
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give up now, jls is whupping ya good
JLS better win. I've got my money on him.

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Old 08-29-2012, 09:40 AM   #12
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JLS better win. I've got my money on him.

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Just Registered with Jannetty.
Bone stock m6 LS vs Auto LT with CAI
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Old 09-04-2012, 07:47 AM   #13
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Friday's Lebanon Valley Drag Strip Weather forecast calling for 81*F and 73% humidity.
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Old 09-04-2012, 10:41 AM   #14
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Friday's Lebanon Valley Drag Strip Weather forecast calling for 81*F and 73% humidity.
The humidity is supposed to drop during the day, however it looks like the track DA is going to be around 2000 ft.
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Old 09-04-2012, 01:06 PM   #15
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The humidity is supposed to drop during the day, however it looks like the track DA is going to be around 2000 ft.
To better understand the Meteorological factors would a DA of 0 be ideal?

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Old 09-04-2012, 01:47 PM   #16
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To better understand the Meteorological factors would a DA of 0 be ideal?

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Air pressure decreases with altitude, naturally asperated engines perform better at higher pressure (Sea level). Cars with blowers get the pressure boost from the blower and altitude does not affect them as much.
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