Launch Control
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Launch Control
If you have used this function, what results have you experienced? Is there really a big difference in the acceleration as compared to the car in normal, sport or sport plus mode?
Instructor
Joined: May 2012
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From: Texas
All this does is allow you to rev the engine to max RPMs with an automatic - similar to what you would do if you had a manual. By having the engine RPMs up when you release the brake the car gets off the line a little quicker.
Pro
Joined: Jul 2004
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From: Minnesota
It is like being shot from a gun.
Racer
Joined: Dec 2010
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i have been drag racing for years with manual cars and i can tell you that the PDK is in another league!
i took my 09 Carrera 4S Launch Car at the strip a few weeks ago and managed an incredible 12.03@115 with a 3665 lbs car with driver! For "only" the stated 385 bhp that's an excellent time and trap speed...
Only a PDK or similar system can allow the car to launch at the maximum allowable rate.
i took my 09 Carrera 4S Launch Car at the strip a few weeks ago and managed an incredible 12.03@115 with a 3665 lbs car with driver! For "only" the stated 385 bhp that's an excellent time and trap speed...
Only a PDK or similar system can allow the car to launch at the maximum allowable rate.
Racer
Joined: Dec 2010
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The 12.03 was with 1.79 60ft...
I did another 12.1 with 1.84 60ft. The car spun more in the second run and because i was running with the PSM on it really cut the power...
With the PSM off i am sure the car can run 11s... Some spinning is actually good so the car does not bog down...
Michelin Super Sport Tires BTW...
I did another 12.1 with 1.84 60ft. The car spun more in the second run and because i was running with the PSM on it really cut the power...
With the PSM off i am sure the car can run 11s... Some spinning is actually good so the car does not bog down...
Michelin Super Sport Tires BTW...
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^ true. Just wondering how much faster the 0-60 times, or the 1/4 mile times are when using launch control as compared to without in the various modes available to us.
Racer
Joined: Dec 2010
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^that would be ideal to do for comparison purposes.
But you would need to go to the track one day that you can do many runs. When i went there was a huge event, probably over 300 cars and i waited 3 hours between runs...
i might go once more this year to test the car with PSM off... I am sure i can get a 11 sec timeslip!!!
But you would need to go to the track one day that you can do many runs. When i went there was a huge event, probably over 300 cars and i waited 3 hours between runs...
i might go once more this year to test the car with PSM off... I am sure i can get a 11 sec timeslip!!!
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Joined: May 2011
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From: SF Bay Area
I've done LC a few times when I need a quick rush (non public streets). Others have already covered the differences versus normal max acceleration, but it really is like being shot out of a cannon.
Also a discussion going on about LC on the 991 board - check out post #16 video .. it says it all.
https://rennlist.com/forums/991/7521...h-control.html
Also a discussion going on about LC on the 991 board - check out post #16 video .. it says it all.
https://rennlist.com/forums/991/7521...h-control.html