Mach2

Just curious about what position the Traction Control button should be selected for the best performance at the drag strip. One opinion so far is TC off for burnout just past the water trough, then select TC on to make the quarter mile pass. After this next round of mods, I want to make a couple passes at Las Vegas Motor Speedway to be able to answer the "Hey, how fast is it?" question I get.

I have a 2010 MN6, 1LT C6 with engine, suspension and body mods that after the headers and catted x-pipe install should be 400-405 rwhp. Tires are standard size Firestone Wide Oval Run Flats @ 30 psi cold.

FNBADAZ06

Traction control OFF, all other nannies ON.

hig4s

To engage the launch control system, the driver puts the traction control into competitive mode and then pushes the gas pedal to the floor. The system will hold a predetermined RPM based on which engine you have (LS3/LS7/LS9). When the driver quickly releases the clutch, the launch control modulates engine torque 100 times per second to get the best traction.

dvilin

However with stock tires you will need some practice to get the feel for the best launch as far what RPM's to launch at.

Vette5.5

Your best bet is at least traction control off, or cutting all the nannies on drag radials. Good idea, not putting in any diff friction modifier additive, as can kill lots of the posi clutch pack lock up.

Mach2

I have the LS3 engine, 2010. You're saying there's a launch control system in the 2010 Corvette C6, tied in with the Competitive mode? Very interesting. I would like verification though, is it discussed in the owners manual, this launch control system? Before I go planting my foot to the floor with the clutch depressed, I want to be sure the rpm's won't go thru the roof. Very interesting. Guess I could try it though, just be prepared to lift off the throttle quickly.

JJC5

Launch control became available on the 2010 and later manual trans equipped Vette.

RicK T

Video of Tadge Juechter at the Bash intro explaining the system:


http://www.corvetteblogger.com/2009/...tem-Explained/

Mach2

Good call Rick T, I was searching the internet and found this very same video. All 2010, and newer, Manual 6 speed tranny Corvettes have this system. I will try it out and report back as to the results.

Don-Vette

I wouldn't be rolling through the water box unless your running slicks,drive around with street tires and warm them up with a dry burnout,otherwise as your waiting for the light water inside the grooves of the tread drip down right on your contact patch with the track.

Mach2

Point well taken, thanks for the insight.

JSB LS3

Avoiding water with anything but slicks is kind of an antiquated idea IMO. A lot of tracks don't even have ROOM to drive around the water box. Every single car that runs down the strip at Atco for example, must drive right through the water.

A dry burnout is pretty nasty on the drivetrain of a stick car when you're doing it on a concrete pad that's covered in traction compound and rubber. I've seen more than one stock, manual-trans vette break parts doing a dry burnout on a sticky pad.

Just my $.02 but I wouldn't personally be popping the clutch with dry tires on the burnout pad.

I'm SURE someone will vehemently disagree with me, but the best method i've personally watched is either rolling through (if necessary) or going around and backing into the water (if possible, to keep the fronts dry). Turn the tires over once quickly IN the water just to coat the tire and roll forward a foot or two out of the water...THEN start your burnout. It's the smoothest and most consistent way I've seen to avoid wheel-hopping when the clutch drops.

With street tires obviously, you don't need a smoky burnout. Just a couple seconds to scrub the tires clean and dry and you're all set.

Every track has their own customs for that kind of thing....watch some other cars before making your first pass to get an idea of how that particular track operates.

simplegto

I always back up to the water box after the first run. You pick up the VHT on the first run and then everything sticks to the tires on the return. I like to hold the button down for 5 secs and turn everything off.

lebvette

I hit the button once. I have control of the rear wheels and the computer does everything it can to keep my dumb azz between the rails.

z28lt1

If you are new to drag racing, as others have said, traction control off (and/or use launch control) but leave active handling on. I've seen a few cars in the wall at the strip with this kind of power, with tracks that aren't sticky. Active handling is no guarantee you won't go sideways, but it will be a big help if needed.

jack5hd

i do not want to hi jack thread.starting a new one with questions concerning the little black button..........

lawnmore

How about some advise for settings doing quarter mile drag racing with
an 07 c6 a6. I have E force and LS7 exhaust, Michelin AW PS tires.
Thanks

lebvette

Should be the same.
I hit the button once. I have control of the rear wheels and the computer does everything it can to keep my dumb azz between the rails.

Mach2

Well I tested the Launch Control that comes with my 2010 & later stick shift C6, GS, Z06 & ZR1's. Half of the system that is, by that I mean I was at a friends house, half in his driveway and I said "let's see if it works". I selected Competition Mode with the button, pushed the clutch in all the way and planted the throttle all the way to the floor. RPM's went up to 4100 rpm and stabilized at that setting. So that part of it works, just didn't want to dump the clutch and take out a couple rows of roses and the neighbors camper trailer next door. I will finish doing a complete test tomorrow and report back with the results. Really glad now that I bought the 2010 C6 MN6 instead of the 2008 C6, Z51, auto that I was looking at when I bought the 2010.

Insure

Good luck! The launch control is pretty neat... dump the clutch and hold on!