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Old 09-28-2013, 04:44 PM   #1
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1st go at the track

Ok so let me lay out the ground work.

2013 GT BBP TP / Manual trans
Roush AB exhuast
MT DRs 305/35/18
Royal Purple Raceway - Baytown TX
88 deg. 85 % humidity

First run I was a ball of nerves. Went to do my burnout and stalled because I had traction control on. Lol!!!! After that I just worked on my launch. Never had issues with traction or wheel hop. Actually quite confused about it with all the posts regarding that exact issue. Ended up with my last run dumping the clutch at 5k rpm. The only issue I have is the car lunges, rpms drop, then she squats and goes. Any suggestions?

1st run - missed 3rd
14.309 @ 97.6 mph
RT .308
60ft 2.259

2nd run - clean - launch at 4k
13.465 @ 108.28
RT .105
60ft 2.3

3rd run - clean - launch at 5k
13.113 @ 108.06
RT .103
60ft 2.038
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Old 09-28-2013, 04:47 PM   #2
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Here are the time slips. Please, any input on improvement please let me know. Thanks.
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Old 09-29-2013, 10:14 PM   #3
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You are losing time in that first 60 feet. As you get more comfortable at the track and with your car, those short times will come down. You should be along for a 60 time of 1.90 or less with those big drag radials.

What was your tire pressure set at? Did you do a good burnout to heat the tires up? I have ran that track many times so I know the track crew do prep work on the track so it is sticky. You get that 60 down to 1.9 or lower and you will be eye balling 12's. And one more thing, drive it like you stole it!
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Old 09-29-2013, 10:28 PM   #4
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Originally Posted by aegischief View Post
You are losing time in that first 60 feet. As you get more comfortable at the track and with your car, those short times will come down. You should be along for a 60 time of 1.90 or less with those big drag radials. What was your tire pressure set at? Did you do a good burnout to heat the tires up? I have ran that track many times so I know the track crew do prep work on the track so it is sticky. You get that 60 down to 1.9 or lower and you will be eye balling 12's. And one more thing, drive it like you stole it!
I did my burnouts but my buddy said later that I wasn't getting out of the water enough. Plus I was doing it in 1st and never really getting enough smoke thus not warming them up enough. The odd part is I never had any issues with wheel spin. I was dumping the clutch at 3, 4, and 5k. Now after reading more posts, I'm worried about damaging my driveline doing that. My driving technique is good. Shifting down the track around 6.5k.

Next time I will drive around then back up in the water. Roll out of the water light them up in 2nd gear. Still worried about dumping the clutch. Going to try a lower rpm launch like I do at a light so I don't bog the engine down. Maybe around 2k. I think that is where my problem is. Lunges then bogs down.

Still think it wasn't too bad for my first time out. At least I made improvements every pass.
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Old 09-30-2013, 12:02 AM   #5
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What gears do you have?
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Old 09-30-2013, 05:26 AM   #6
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What gears do you have?
3.73
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Old 09-30-2013, 11:09 AM   #7
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3.73
Maybe try lowering the rpm a little and slipping the clutch instead of just dumping it.
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