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

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Old 08-21-2014, 01:11 PM   #1
Vader2011v6

 
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Need help with drag racing my ZL1 M6

Took my car to the track yeaterday and consistently ran 12.8 @ 113 mph. I was having issues with launching. I kept bogging off the line. Tried launch control but I ran better without it in race mode. Any suggestions? The car ran 13.0 in mode 4 with launch control.
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Old 08-21-2014, 03:50 PM   #2
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Would help if we had some time slips to look at.
60' and whatnot.
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Old 08-21-2014, 06:53 PM   #3
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Turn off all that launch control stuff. You have to get the RPM's up on 6spds. I was doing 2.0 60fts untill I went every Thursday and Saturday for 3 weeks to find my right combo. Get rear alignment close to 0 camber I have 18 inch MT dragradials set on 22lbs 4500-4800rpms and slip clutch roll into throttle. I got greedy last week at track raised RPMs roll into throttle little faster 1.430 60ft = tore up rear differential lol
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Old 08-21-2014, 07:58 PM   #4
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I'll have to get my time slips. My fastest 60 ft was 2.240.
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Old 08-21-2014, 08:18 PM   #5
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I want to learn how to drive it stock before I add mods.
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Old 08-21-2014, 08:55 PM   #6
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Don't be afraid to abuse the clutch... M6 cars need RPM and clutch smell from you slipping it. Without it you either spin, bog or simply leave like a PU$$. Keep practicing, you need to find the sweet spot. Once you do fine tune your launches.
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Old 08-22-2014, 08:25 AM   #7
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Bogging will kill your time for sure and might damage your diff/clutch. Have you tried to launch around 1800-2000 for a start? I'd say higher than that, youll get better times if only you can slip the clutch like a champ. How fast you shift? How much mileage on the car?
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Old 08-22-2014, 01:26 PM   #8
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how are you guys launching the M6 above 3k rpm and still getting the clutch pedal to come back up?? 2800 is about my max or my pedal sticks to the floor.
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Old 08-22-2014, 02:01 PM   #9
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I have Monster stage 4 clutch in my car
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Old 08-22-2014, 02:16 PM   #10
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I'try this to and see if it helps Name:  ImageUploadedByTapatalk1408731340.731155.jpg
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Size:  234.0 KB
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Old 08-22-2014, 02:43 PM   #11
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Actually I guess like you guys said slipping the clutch. Sounds right. My car has 4000 miles in it fairly new. I think I need to practice slipping the clutch. I've tried launching at almost rpm possible. I am getting less fearful though.i was worried I'll break something or the power will sneak up on me. I came from a Camaro v6. Power is overwhelming.
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Old 08-22-2014, 06:17 PM   #12
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Seat time is second to none. You also need to develop a routine. Do the same thing everytime and it will become second nature. If you do make changes in your technique, do them one at a time to get a good feel for whether it was beneficial or not.With lots of practice 1.8-2.0 will be the norm on a stock setup.
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Old 08-22-2014, 07:46 PM   #13
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1.8 is almost the norm for any M6 with seat time stock or mildly modded. Get there and you will see low 12s high 11s easy in your car.
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Old 09-03-2014, 09:32 PM   #14
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Sweet thanks guys for the
Advice I will probably try to run it again soon. I will be getting an intake and a tune anytime now.
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Old 09-03-2014, 11:07 PM   #15
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113 trap speed seems kinda low though.. What is your elevation there? DA?
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Old 09-04-2014, 12:19 AM   #16
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Guys I need to ask a real noobish question. Sorry I don't mean to jack the thread here but, I have never driven on the drag strip, so I don't have any real knowledge of what you mean when you say "slip the clutch" .......Without hijacking the OP's thread can I get a quick explanation?
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Old 09-04-2014, 12:21 AM   #17
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It is letting out the clutch enough to where it starts moving the car but not completely out making the clutch solid.. Essentially it is exactly what is sounds like.. The clutch is slipping. It allows you to keep traction and not bog the motor when done right..
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Old 09-04-2014, 12:24 AM   #18
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Ok got it, and thank you. I need to get myself to the track! Sounds so fun! So much to learn.

Thanks again
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Old 09-25-2014, 10:51 AM   #19
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I asked this question on the "Drag Strip" thread but did not get an answer so maybe someone here knows. When all the nannies are off, which of the three ZL 1 suspension modes is activated? I have been launching in PTM 5 with "track" suspension mode but want to try launch without nannies. Does suspension mode matter? Can you select suspension mode when nannies are off? Any advice would be appreciated. 2014 ZL1 M6
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Old 10-04-2014, 07:35 AM   #20
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Originally Posted by PolydoraWhite View Post
I asked this question on the "Drag Strip" thread but did not get an answer so maybe someone here knows. When all the nannies are off, which of the three ZL 1 suspension modes is activated? I have been launching in PTM 5 with "track" suspension mode but want to try launch without nannies. Does suspension mode matter? Can you select suspension mode when nannies are off? Any advice would be appreciated. 2014 ZL1 M6
My best results were with everything turned off. You can only select either Sport or Tour mode with the "nannies" turned completely off. Use Sport because it has higher effort steering.
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Old 10-05-2014, 07:10 PM   #21
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My updated time on the car is 12.46 @116mph. I run the same time with my tires deflated to 17psi and not deflating them at all. I keep my car in mode 2 with traction control and stability control off.
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Old 10-05-2014, 07:12 PM   #22
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You go to test and tune today?
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Old 10-08-2014, 12:15 AM   #23
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Originally Posted by Vader2011v6 View Post
My updated time on the car is 12.46 @116mph. I run the same time with my tires deflated to 17psi and not deflating them at all. I keep my car in mode 2 with traction control and stability control off.
If you can make it try and stop by Sonoma Raceway tomorrow 10/8 - Wednesday Night Drags !
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Old 10-08-2014, 12:17 AM   #24
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If you can make it try and stop by Sonoma Raceway tomorrow 10/8 - Wednesday Night Drags !
I might see if I can make it out there too.. What time do gates open?
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Old 10-08-2014, 12:27 AM   #25
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I might see if I can make it out there too.. What time do gates open?
Gates open at 330PM and goes on till later in the evening. I am thinking about going down as well.. PM me if you are interested.
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