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Launch Control bogs. Doing something wrong?

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Old Jun 14, 2017 | 11:15 PM
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Default Launch Control bogs. Doing something wrong?

I've done this a couple times now in my GS A8. Have the car in track mode, come to a stop, manual shift and just take my foot off the brake and punch the gas. Launches great, can pull a 4.6 - 4.7 0-60.

Then I stay in track, hit the traction control button twice. Comes up and asks me to select track condition (doesn't seem to matter which one) and then I hold the brake hard with my left, mash the pedal and it holds at 2k RPM. Let the brake go and it bogs then goes.
Had it in M shift for that.

Doing it wrong?
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Old Jun 15, 2017 | 12:42 AM
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Old Jun 18, 2017 | 10:14 AM
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i believe Road &Track mag has the C7 0-60 at 3.8-3.9
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Old Jun 18, 2017 | 10:59 AM
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For Launch Control with the A8 you should have the transmission in auto for the best elapsed time, don't leave it in M.

Last edited by NSC5; Jun 18, 2017 at 11:00 AM.
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Old Jun 18, 2017 | 12:45 PM
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Originally Posted by NSC5
For Launch Control with the A8 you should have the transmission in auto for the best elapsed time, don't leave it in M.
This.
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Old Jun 18, 2017 | 01:31 PM
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Originally Posted by mountainears
I've done this a couple times now in my GS A8. Have the car in track mode, come to a stop, manual shift and just take my foot off the brake and punch the gas. Launches great, can pull a 4.6 - 4.7 0-60.

Then I stay in track, hit the traction control button twice. Comes up and asks me to select track condition (doesn't seem to matter which one) and then I hold the brake hard with my left, mash the pedal and it holds at 2k RPM. Let the brake go and it bogs then goes.
Had it in M shift for that.

Doing it wrong?
Sounds like you're doing it right, except as others have said, leave it in auto.

I did all that you described with my car and got 4.0 seconds 0-60 on a crappy country road. Mine also bogs a little, I think it's modulating power for traction.

Last edited by 95bat; Jun 18, 2017 at 01:31 PM.
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Old Jun 18, 2017 | 01:33 PM
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I'll try that but that seems to counter the written instructions I've seen from the driving school posted recently which states to go in M mode.

I saw a video posting that seems to indicate maybe I wasn't getting into it. With two presses of the center button, depending on how fast you push it. One way gets into the Competitive Mode and the other brings up the track surface menu (which is what I was seeing).
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