C7 stability control and diff behavior?
Thread Starter
Racer
Joined: Jan 2016
Posts: 272
Likes: 12
C7 stability control and diff behavior?
I was watching this video from Exotics racing, and saw a runs with a C7 and a cayman.
I could hear him making a comment that the stability control was too intrusive. I tried seaching on this forum for stability but didn't find direct conversations on the topic (search fail on my part?). I did see references to past versions where folks were trying to get the diff to lock even if the steering wasn't 'straight', so they could maintain some yaw. What is the state of the C7 stability control, specifically with respect to track and autoscross use? Will I be able hit the gas, and rotate the vehicle around a hairpin? Or will the power cut off? Will the diff properly lock around a long bend? If this has been previously discussed, please feel free to point me to those threads, or to the keywords to get to those threads.
Burning Brakes
Joined: Mar 2010
Posts: 767
Likes: 12
From: Keller TX
A few notes:
- I watched briefly his drive in the C7.. where he wanted it to turn and the stability kicked in, he had already blown the turn and was going to ask the car to get all the way out on the edge.. a novice could easily loop the car doing what he was attempting to do (but active handling prevented). I have no idea how good he is but he missed the same turn in 2x.
- I only know C6 active handling.. I've seen some jackwagon in a video on here before in a C7 Z06 do some pretty stupid stuff and the handling kept him alive. I think it is a lot more sophisticated in the C7s over previous generations.
- I've driven with those guys in Las Vegas, they do leave the car in a "protected" active handling mode, can't say which one for sure, but it is likely NOT in the most aggressive (slide capable) mode.
- I watched briefly his drive in the C7.. where he wanted it to turn and the stability kicked in, he had already blown the turn and was going to ask the car to get all the way out on the edge.. a novice could easily loop the car doing what he was attempting to do (but active handling prevented). I have no idea how good he is but he missed the same turn in 2x.
- I only know C6 active handling.. I've seen some jackwagon in a video on here before in a C7 Z06 do some pretty stupid stuff and the handling kept him alive. I think it is a lot more sophisticated in the C7s over previous generations.
- I've driven with those guys in Las Vegas, they do leave the car in a "protected" active handling mode, can't say which one for sure, but it is likely NOT in the most aggressive (slide capable) mode.
Drifting
Joined: Oct 2005
Posts: 1,729
Likes: 62
From: South Lyon MI
I was watching this video from Exotics racing, and saw a runs with a C7 and a cayman. https://www.youtube.com/watch?v=blFAwEBi5uw I could hear him making a comment that the stability control was too intrusive. I tried seaching on this forum for stability but didn't find direct conversations on the topic (search fail on my part?). I did see references to past versions where folks were trying to get the diff to lock even if the steering wasn't 'straight', so they could maintain some yaw. What is the state of the C7 stability control, specifically with respect to track and autoscross use? Will I be able hit the gas, and rotate the vehicle around a hairpin? Or will the power cut off? Will the diff properly lock around a long bend? If this has been previously discussed, please feel free to point me to those threads, or to the keywords to get to those threads.
Even race has intervention. Up to sport 1, there is a steering angle limit with the throttle. You cant just get the power if the wheel is turned. Sport 2 and Race do away with that.
I've found that with a proper alignment, I just turn all of it off and go do what I need to do. Its more fun that way.
Track Rat
Joined: Oct 2006
Posts: 6,466
Likes: 3,464
I'm going to comment from ignorance because I didn't want to sit through the video. However, if he was complaining about the AH intervening I'd bet dollars to donuts that he hit the center button again and set the car in to Track mode but not one of the PTM sub-modes. I did the same thing when I first got my C7 Z51 and it was horrible on track until I figured out how to get it in to at least Sport 1.
I typically run my C7Z in Track - Sport 1 for a couple of laps while the tire warm up, then Sport 2 for a couple more, and then Track-Race if everything feels good. That said though, unless you drive like an idiot the car works very well in any of those modes I listed. In fact, my best times have always been in Sport 1.
I typically run my C7Z in Track - Sport 1 for a couple of laps while the tire warm up, then Sport 2 for a couple more, and then Track-Race if everything feels good. That said though, unless you drive like an idiot the car works very well in any of those modes I listed. In fact, my best times have always been in Sport 1.
Drifting
Joined: Sep 2006
Posts: 1,335
Likes: 167
From: Truckee CA
Last year I was privileged to spend a lot of time on track with the C7, and as Poor-Sha noted, if you keep it in Sport 1 or 2 the C7 will teach you (if you'er paying attention) how to drive the car at it's limit. (No big Jeramy Clarkson slides). The real key is to open the steering at the apex as you apply throttle. Smoothness counts.
Mark
Mark
Melting Slicks
Joined: Feb 2009
Posts: 2,797
Likes: 608
From: Dallas Georgia
2020 Corvette of the Year Finalist (track prepared)
C3 of Year Winner (track prepared) 2019
I've done the Exotic Racing thing in Vegas and I am 99% sure they don't let you put it in any sort of Sport or Track modes at their facility. I ran laps in a Gallardo Superlegerra LP570, R8 and 458 and outside of using the paddles to shift, nothing else was set when you take off.
Last edited by fleming23; Feb 1, 2016 at 09:32 PM.
Tech Contributor
Joined: Oct 1999
Posts: 41,063
Likes: 9,826
From: Charlotte, NC (formerly Endicott, NY)
An experienced driver who is smooth has a hard time triggering active handling in a C6 even it it is left on full nanny mode. I suspect the C7 system is even better. It is only when you do something to slow the car down that it activates. A C6 will 4 wheel drift through a corner at a very rapid rate of speed with out turning off AH. AH activates based on where you are pointing the steering wheel, the lateral G forces being experienced and the yaw rate of the car. Keep the steering wheel pointed correctly, use the throttle to keep the yaw rate proper (like countering under steer) and AH just sits there all nice and happy.
Bill
Bill
Drifting
Joined: Feb 2005
Posts: 1,330
Likes: 57
An experienced driver who is smooth has a hard time triggering active handling in a C6 even it it is left on full nanny mode. I suspect the C7 system is even better. It is only when you do something to slow the car down that it activates. A C6 will 4 wheel drift through a corner at a very rapid rate of speed with out turning off AH. AH activates based on where you are pointing the steering wheel, the lateral G forces being experienced and the yaw rate of the car. Keep the steering wheel pointed correctly, use the throttle to keep the yaw rate proper (like countering under steer) and AH just sits there all nice and happy.
Bill
Bill
I can back to back a students' c5z and c6z on similar quality tires, and I run dramatically faster in the c5. Every time. Like 2 seconds faster out of 60.
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