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Charger SRT Hellcat
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Discussion Starter #1
Hello everyone....I've had my charger hellcat a couple of months now but had not tried the launch control until today. As my quarter mile times had been less than stellar (high 11's with all season tires, rolling on the gas), I thought I'd give launch control a shot on one of the local back roads to learn how to use it.

- set up custom settings
- activated launch control
- foot on brake
- floored throttle
- Tach steady at 1500
- let off brake
- Smoked tires

Lit up the rear end completely. Backed off when the car started going sideways. Didn't seem like the traction/stability control was doing anything.

What am I doing wrong? All I did was smoke the tires.....

Appreciate any help.

Thanks much
 

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Challenger SRT Hellcat
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9,004 Posts
Hello everyone....I've had my charger hellcat a couple of months now but had not tried the launch control until today. As my quarter mile times had been less than stellar (high 11's with all season tires, rolling on the gas), I thought I'd give launch control a shot on one of the local back roads to learn how to use it.

- set up custom settings
- activated launch control
- foot on brake
- floored throttle
- Tach steady at 1500
- let off brake
- Smoked tires

Lit up the rear end completely. Backed off when the car started going sideways. Didn't seem like the traction/stability control was doing anything.

What am I doing wrong? All I did was smoke the tires.....

Appreciate any help.

Thanks much
Did you hold on? Lol
I haven't tried it yet and will probably at some point.
The steps to do it on a m6 vs a8 are a bit more in my opinion.
 

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Charger SRT Hellcat
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1,074 Posts
Launch control is pretty useless on the Hellcat. You'll never get the best time from it, but it's still fun to play with. Street mode only!

Robert
 

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Challenger SRT Hellcat
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2,108 Posts
You have to push harder on the brake. Has to pull 30hg of vaccuum before the car feels you are pushing the brake hard enough. Its an unnatural amount of pressure. So when you think you are holding the brake had enough..push a little harder. When done right the car will hold your launch control RPM and not go any higher. YouTube hellcat launch control. I put up a vid somewhere showing my first attempt then a correct one. All of this assumes your car is automatic trans. Also search this forum for launch control for the same.
 

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Challenger SRT Hellcat
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You have to push harder on the brake. Has to pull 30hg of vaccuum before the car feels you are pushing the brake hard enough.
I think his problem is after he lets go of the brake, the car lights up the tires.

Also, I've never seen more than 20" vacuum on my car, and as you open the throttle, the vacuum should decrease. I think 26" is absolute vacuum. Iirc
 

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I threw 30 out there but I had the same problem and googled it and learned the car needs to have a certain amount of vaccuum. Went out..pushed harder than what felt natural...and it worked.
 

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Charger SRT Hellcat
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I just played with mine recently as well. Put down two nice black stripes. OP stated revs were steady, not an issue with engagement of launch control, just the inability of the system to keep wheel spin in check. TC light was blinking away, but the tires still spun like crazy.
 

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Charger SRT Hellcat
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Tried it myself and was useless. It might work better starting in second gear (haven't tried it myself)for an a8. 1500 rpm is too high on first gear especially on the street.
 

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Tri-State Overlord
Challenger SRT Hellcat
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2,274 Posts
It's useless. All it does is keep cutting in traction control the second the tires brake loose if traction control is on. If traction control is off it just smokes the tires. Instead of properly modulating the gas to help you launch it just enables traction control off and on till you hit 62mph.

I've launched 1000 times better just starting in 1st ot 2nd and launching at 1500rpm, let the tires intitally grip then roll it in quickly too 100% throttle.
 
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