[Z06] Traction Control Threshold?????
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Traction Control Threshold?????
I just picked up my car this weekend, got her tuned and addressed a few issues.
I was thinking the TC was inactive, even though the active handling button cycles on/off/comp just find, dash lights as it's supposed to.
But the car will easily spin through 3rd gear.
I assumed the TC was inop, but once i bumped the limiter in 1st and shifted quick, the TC Active light came on the dic.
Is this normal? I've never had a TC system that allows so much straight line wheelspin. I havent had a chance to play with it in the turns.
Is this just how they are?
I was thinking the TC was inactive, even though the active handling button cycles on/off/comp just find, dash lights as it's supposed to.
But the car will easily spin through 3rd gear.
I assumed the TC was inop, but once i bumped the limiter in 1st and shifted quick, the TC Active light came on the dic.
Is this normal? I've never had a TC system that allows so much straight line wheelspin. I havent had a chance to play with it in the turns.
Is this just how they are?
Safety Car
Joined: Sep 2007
Posts: 4,168
Likes: 21
From: Sunniest city on Earth
Stock or no? Mine is pushing 424rwhp and I can light 3rd on a fast shift in Competition Mode, but the Traction Control system will cut power to prevent such shenanigans if I get too aggressive with it in the standard mode...
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Didnt get any power cut till i shifted on the limiter. I figured it would cut power too.
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Instructor
Joined: Oct 2013
Posts: 107
Likes: 0
From: Paola Kansas
The TC monitors the attitude of the front wheels (among other things) to see if the car is pointed straight. If it doesn't sense that she is out of control, or the driver is adding a bunch of inputs (brakes, streering etc...), the TC will allow forward wheel spin.
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
I guess i need to try her around some curves i've just never seen a tc system allow this much wheelspin. I've only seen the light come on once and that was at the 1-2 shift.
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Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Gotcha, i guess i'm expecting it to cut power early on when wheelspin first starts. For fun/track it'll be off, just doesnt seem to act like any TC i've had on a vehicle before.
Melting Slicks
Joined: Aug 2004
Posts: 3,003
Likes: 89
From: Indy IN
Because the traction control senses the difference between front and rear wheel speeds tire sizing has an effect on where the traction control cuts in.
If you have tire sizes that are closer to equal, the traction control will cut in sooner.
If you have tires that are larger in the rear than the stock difference in diameters, the traction control will cut in later.
While lots of folks say they don't notice much difference, where it cuts in is effected by tire diameter and the difference in tires can cause it to cut in earlier or later.
If you have tire sizes that are closer to equal, the traction control will cut in sooner.
If you have tires that are larger in the rear than the stock difference in diameters, the traction control will cut in later.
While lots of folks say they don't notice much difference, where it cuts in is effected by tire diameter and the difference in tires can cause it to cut in earlier or later.
Burning Brakes
Joined: Apr 2006
Posts: 1,041
Likes: 57
Don't take my answer to heart but i had a after market pair of 18/19s and i could drift my car around the corner, literally azz end loose as can be. I switched to an 19/20 street setup and all the sudden i can spin a little in a straight line but nothing even close to drifting a corner. That being said tire height might have something to do with it. Hope that helps
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Thanks. I'm on stock wheels and basically stock size tires. I'm not getting any signal from the front wheel speed sensors so I'm working through that at the moment
I appreciate y'all's help and feedback. I'm new to the z06 but not new to cars. I'm learning all the quirks and little known issues. So far this forum has been great!!!
I appreciate y'all's help and feedback. I'm new to the z06 but not new to cars. I'm learning all the quirks and little known issues. So far this forum has been great!!!
Burning Brakes
Joined: Apr 2006
Posts: 1,041
Likes: 57
I should have Clarified more I went with a taller tire on the rear when I switched which helped. If your tires are stock size then it's not the height. You can vary in sizes on the stock wheels. Ride height is a factor as we'll if your rear is as Low as your front or lower which it shouldn't be that will offset the traction control as it did mine. My rear bushings on my lowering bolts were shot and the car was metal on metal which is as low as it could possibly go and I don't think my traction control even worked. Rear is 1/2 inch higher than front should be
Thread Starter
Instructor
Joined: Dec 2013
Posts: 167
Likes: 2
From: Artesia New Mexico
Problem solved. Right speed sensor was super loose at the clip, cleaned both. Cleaned chassis grounds. Works
As its supposed to.
As its supposed to.
Last edited by fastrob691; Dec 19, 2013 at 08:56 PM.
Le Mans Master
Joined: Jul 2000
Posts: 7,638
Likes: 326
From: Greenville SC
Don't take my answer to heart but i had a after market pair of 18/19s and i could drift my car around the corner, literally azz end loose as can be. I switched to an 19/20 street setup and all the sudden i can spin a little in a straight line but nothing even close to drifting a corner. That being said tire height might have something to do with it. Hope that helps