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Launching AT?

Originally Posted by FLUJOKE Hey guys I've had my Z for a couple years now but I can never figure out what's wrong with my launch. I get her up

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Old 12-30-2014, 10:11 PM   #1 (permalink)
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Hey guys I've had my Z for a couple years now but I can never figure out what's wrong with my launch. I get her up to 2k RPMs and if I go over the engine cuts and have to try again all while holding the brake in. I do have an UPREV tune. Is this causing the problem or is it bc it's AT? Does manual have this same issue? Do I have to pull the brake light fuse in order to get a proper launch? Thank you all in advance. Oh yeah it is in "manual mode" w VDC off.


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I ran 12.98 with my 100% stock non sport auto Z with all season 285 rears with heavy 20' rims.

Pull the fuse, set tires to 29-30 psi, turn traction off, do a quick burn out, launch at about 1.5k rpm on manual mode.

official 1/4 mile track times
Last edited by ssmoked; 12-30-2014 at 10:14 PM.
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Old 12-31-2014, 07:16 AM   #2 (permalink)
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I ran 12.98 with my 100% stock non sport auto Z with all season 285 rears with heavy 20' rims.

Pull the fuse, set tires to 29-30 psi, turn traction off, do a quick burn out, launch at about 1.5k rpm on manual mode.

official 1/4 mile track times
was the track downhill? lol

low time for stock with no LSD and all seasons.
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Old 12-31-2014, 12:08 PM   #3 (permalink)
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was the track downhill? lol

low time for stock with no LSD and all seasons.
It's all about traction. I am running Michelin a/s3 and found it to grip very close to summer tires. Read the reviews yourself on tirerack.

Some thinks its pointless on street tires, But you HAVE to do a burnout to get the rubber to hook at takeoff. That night I had a few 13.0 flat runs as well back to back.

The cool air and flat elevation most definitely helped too.
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