04-23-2018, 10:17 AM | #1 |
Drives: 2017 1SS convertible Join Date: Jun 2015
Location: IOWA
Posts: 185
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Is Launch control the best way to get it going?
I've played with the launch control a bit in my new-to-me 2017 SS convertible A8. Is that the best/fastest way to get it going from a standstill?? It's fun to play with but it maybe seems a little lazy almost like there's a pause when I lift from the brake. Is this the car keeping me from roasting the tires or have you guys noticed that it's maybe not as quick? When I drag race snowmobiles I NEVER want to have the brake grabbing on the caliper at the starting line. I'm sure this is a whole different game.
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04-25-2018, 06:36 PM | #2 |
Drives: 17 2SS, 8L90, Cam, Heads, E85 Join Date: Dec 2016
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Everyone will say you are faster without it especially at the track. I don't agree with that but I haven't been able to test my car out at the track yet. On the street the consistency of launch control seems to vary, but I don't have data to back that up.
I find it extremely hard to believe that anyone could do better than launch control, unless there tune is modified from stock and throwing off the torque control. Unless GM just threw launch control in there as a way to keep people from crashing or suing people, I actually believe they somewhat optimized it for its intended purpose. |
04-25-2018, 06:47 PM | #3 |
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Better the street then at the track
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04-26-2018, 10:14 AM | #4 |
Drives: 6th gen Join Date: Aug 2013
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On stock rubber and a m6 I feel like the rpm is always way too high, spinning the wheels way too much, and LC needs to control that reactively. If the rpms were 2800 ish it would keep the spin much more under control. I feel the 3500 is more for drag radials.
I’ll try LC on drag radials to see if it works better with them
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04-26-2018, 12:12 PM | #5 | |
Drives: 2016 CAMARO 2SS Join Date: Apr 2017
Location: ATX
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Quote:
LC is consistent and consistently slower then when its off. Having tested both on both my A8 SS's on the same road I can tell you that on my cars on that day with LC on the cars would consistently do 4.5-4.6 and turned off I could get 4.2-4.3 One of the last times I was at the track a kid was running 12.6-12.7@112-113 consistently. After I made a pass he came over and started talking to me about launching. I told him not to run LC and feel out the track. First pass he went 12.38@115 and followed with 12.4's@114-115 It takes a little skill and feeling out the track. When I was running in stock form I would bring the rev's up to 1500-2000 rpm. On the 3rd yellow I would crack the pedal 1/2 shifting all the weight to the back of the car then I would roll hard into the pedal till it was floored.
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2016 SS A8 STOCK 12.35@113.6 DA 1956
PRAY E85 TUNE,PRAY PORTED IM/TB,ROTOFAB DRY, DRAG PACK 11.33@121.8 DA 1248 PRAY PORTED MSD, 2" TSP LT's 11.38@122.4 DA 3664 GFORCE DRIVESHAFT,LME 174 T-STAT,ATI UDP up next... |
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04-26-2018, 04:35 PM | #6 |
Drives: 2017 1SS convertible Join Date: Jun 2015
Location: IOWA
Posts: 185
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Is it possible that it is intended for street launches because it has an expected amount of grip with the stock tires on an unprepared surface??
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04-27-2018, 07:57 AM | #7 | |
Drives: 2016 CAMARO 2SS Join Date: Apr 2017
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Quote:
Personally its one of the few things I hate about the car. Everything is tied into everything and there is no master switch to turn it all off. But it makes it a great all around car if your focus isn't all about drag racing which mine is. Launch Control is intended to give you max acceleration using the computer on board system which hinders power and torque delivery. You are waiting for the ecu to get feedback on what the tires are doing then make corrections to stop the spin then bring power back in to the point of spinning then pull power back out. All the adjusting or recovery is what makes it slower then just using your foot.
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2016 SS A8 STOCK 12.35@113.6 DA 1956
PRAY E85 TUNE,PRAY PORTED IM/TB,ROTOFAB DRY, DRAG PACK 11.33@121.8 DA 1248 PRAY PORTED MSD, 2" TSP LT's 11.38@122.4 DA 3664 GFORCE DRIVESHAFT,LME 174 T-STAT,ATI UDP up next... |
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04-27-2018, 08:52 AM | #8 | |
Drives: 2017 1SS convertible Join Date: Jun 2015
Location: IOWA
Posts: 185
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Quote:
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04-27-2018, 09:34 AM | #9 |
PC Technician
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You can turn off stabiltrak, you press and hold the TC/OFF button until both lights illuminate on the dashboard.
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04-27-2018, 09:39 AM | #10 | |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
Location: Stratford, CT
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Quote:
Also, I have noticed that on the street AND on the strip. I have gotten better times WITHOUT using launch control. I still left foot brake but don't build boost. My car, not sure about the SS or the v6, but it will not let me build boost past 2k with the nannies on. However... I have not yet dragged with my nannies off. I am still an amateur. Not ready to snuggle with the wall yet.
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04-27-2018, 12:40 PM | #11 |
Drives: 2016 CAMARO 2SS Join Date: Apr 2017
Location: ATX
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I race with everything turned off.
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2016 SS A8 STOCK 12.35@113.6 DA 1956
PRAY E85 TUNE,PRAY PORTED IM/TB,ROTOFAB DRY, DRAG PACK 11.33@121.8 DA 1248 PRAY PORTED MSD, 2" TSP LT's 11.38@122.4 DA 3664 GFORCE DRIVESHAFT,LME 174 T-STAT,ATI UDP up next... |
04-28-2018, 09:55 AM | #12 |
Drives: 17 2SS, 8L90, Cam, Heads, E85 Join Date: Dec 2016
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I really can't understand how a human could be better than the launch control? Unless you have modifications and tune modifications that have messed up the torque model.
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04-28-2018, 08:31 PM | #13 | |
Drives: 6th gen Join Date: Aug 2013
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Quote:
Edit: I don’t notice it compensating for weather
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‘16 1SS M6 LT2 intake + boltons on DR 11.0@126+ (Sold) Last edited by 6spdhyperblue; 04-29-2018 at 07:29 PM. |
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04-30-2018, 10:41 AM | #14 |
Drives: 2017 50th Anniversary Join Date: Dec 2015
Location: illinois
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When my car was stock on the factory run flats I did several back to back 0-60 runs on the same stretch of dead flat asphalt road. Every run I was faster without launch control.
Best run with launch control was 4.5. Best without was 4.2. Haven't tried it since putting the drag radials on but I'm guessing that the computer wouldn't know what to do with the extra traction. That gives me a good reason to get out and give it a try today. |
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