[Z06] Traction control intervention question
Thread Starter
Heel & Toe
Joined: Jul 2001
Posts: 15
Likes: 0
From: Madera, CA USA
Traction control intervention question
I have just over 1000 miles on my 02 and decided to "air it out" on the road into my subdivion. The engine management completely cut spark or fuel or both on the 3rd to 4th and 4th to 5th shifts. The shifts were relatively quick but not power on, is this normal? I tried it again the same day with TC off and there was no chopping of fuel and / or spark. The shifts were made at about 6200 rpm. I doubt that traction was broken but I suppose it could have been because the road has some dust on it from farm vehicles.
Thread Starter
Heel & Toe
Joined: Jul 2001
Posts: 15
Likes: 0
From: Madera, CA USA
Re: Traction control intervention question (CorvetteSS)
"Learn to Drive" My autox car has a weight to HP ratio of 3.2 to 1 and over 535 #/ft at the rear wheels in a 2130 pound car, I can assure you I know how to drive. Maybe you can explain how the rev limiter didn't come in on the second pass with TC off and same shift points?
Le Mans Master
Joined: Nov 2000
Posts: 7,020
Likes: 0
From: Durham NC
Re: Traction control intervention question (BCSX3170)
Seriously, Traction control should not effect spark or fuel. I thought it just helped control the rear wheel speeds. But then again I ain't no racer.
Racer
Joined: May 2000
Posts: 380
Likes: 0
From: Elgin, IL. USA
Re: Traction control intervention question (QWK SLVR)
You engaged the TC system, which then engaged the rev limiter (I had this happen a couple of times too). This is a normal occurance when the TC detects wheel spin at high RPM.
You need to go into the comp. driving mode to disable it, or turn the TC off It is very disconcerting to have the car "die" momentarily during a high RPM pass.
[Modified by Dennis Jurs, 3:47 PM 8/16/2001]
Drifting
Joined: Aug 2000
Posts: 1,698
Likes: 1
From: Chapin SC
Cruise-In II Veteran
Cruise-In III Veteran
Re: Traction control intervention question (Dennis Jurs)
It was common for me to hit the T/C on a hard shift to 4th on my 01 Z06 but never to 5th. I'd be surprised if the 02 has enough grunt to cause engagement on a shift to 5th but it's possible.
Race Director
Joined: Dec 1999
Posts: 11,799
Likes: 10
From: Houston Texas
St. Jude Donor '08
Re: Traction control intervention question (BCSX3170)
Maybe you can explain how the rev limiter didn't come in on the second pass with TC off and same shift points?
To answer your question though, I have no explanation as to why the rev limiter didn't kick in on the second try. I don't even know for sure if it was the rev limiter. From the description you gave in the first post, that's what it sounded like. I seriously doubt that you're getting wheel spin from what you said in your first description. Maybe the shift points weren't exactly the same. Maybe it was a computer glitch that triggered the TC. Who knows?
What I do know is if you don't like the answers that you get, disregard them.
[Modified by CorvetteSS, 3:56 PM 8/16/2001]
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Instructor
Joined: Aug 2000
Posts: 175
Likes: 0
From: New Orleans Area LA
Re: Traction control intervention question (BCSX3170)
I have just over 1000 miles on my 02 and decided to "air it out" on the road into my subdivion. The engine management completely cut spark or fuel or both on the 3rd to 4th and 4th to 5th shifts. The shifts were relatively quick but not power on, is this normal? I tried it again the same day with TC off and there was no chopping of fuel and / or spark. The shifts were made at about 6200 rpm.
If the traction control kicked in at that speed, you may wish to keep it on to prevent you from going into the weeds.
Thread Starter
Heel & Toe
Joined: Jul 2001
Posts: 15
Likes: 0
From: Madera, CA USA
Re: Traction control intervention question (TorchZ06)
The HUD showed 142 when I lifted in 5th, the road in is 1 mile long (no cross roads) I was approximately .5 mile in when I lifted in 5th. The Corvette is fast but it isn't that difficult to control at high speeds because available torque is not really high enough to make it squirrelly. I was under the impression that TC could apply the rear wheel brakes, cut spark, and cut injection if called for by the computer is this incorrect? I used the same shift points and rpm with active handleing only, and got no cut out. I tried this twice with the same result. I am pretty sure there was no wheel spin on the 4th to 5th shift but it cut power anyway with TC turned on. I was just curious about others experience with this system and did not expect to get flamed on my driving skills. The Z06 is a great car but is not scary fast in stock form and is not that difficult to drive, so you can understand why I felt that I was being flamed.
