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competitive driving mode?

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Old Dec 3, 2005 | 10:11 AM
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Default competitive driving mode?

hey guys, what does the competitive driving mode do? is this the quickest way to launch or should i just turn the traction control off, or leave it on?
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Old Dec 3, 2005 | 11:27 AM
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Competitive driving mode raises the level in which active handling intervenes, so it will allow you to get a little more sideways before it helps regain "control" of the car.
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Old Dec 3, 2005 | 12:42 PM
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Originally Posted by Miaugi
Competitive driving mode raises the level in which active handling intervenes, so it will allow you to get a little more sideways before it helps regain "control" of the car.
That is not how it works on a C5. Did they change the system that much?
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Old Dec 3, 2005 | 01:43 PM
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First press and release is Traction Control Off, Active Handling On

Second press and release is Competitive Mode, T/C Off, A/H reduced interference.

Third press and HOLD till the DIC states T/C and A/H Off.
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Old Dec 3, 2005 | 01:46 PM
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Originally Posted by shurite44
That is not how it works on a C5. Did they change the system that much?
How do you think it works on a C5? My explanation was very basic, but I think it's accurate.
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Old Dec 3, 2005 | 01:49 PM
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Originally Posted by haljensen
First press and release is Traction Control Off, Active Handling On

Second press and release is Competitive Mode, T/C Off, A/H reduced interference.

Third press and HOLD till the DIC states T/C and A/H Off.
Hold the button down for about 10 seconds (seems like a long time), everything will be turned off.
- WATCH OUT - NOT KIDDING -
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Old Dec 3, 2005 | 03:21 PM
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Competitive mode has no traction control whatsoever, but it does have stability control with more driver freedom, appropriate for higher performance use where the base stability control may be intrusive for some drivers.

C5 and C6 comp mode have the same functionality for comp mode in this respect (different active handling and no traction) but the actual tuning and feel of the control systems are different to meet the requirements of the new chassis configurations.
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Old Dec 3, 2005 | 03:40 PM
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so at the track, do i want to hold the button for ten seconds and shut everything off? which mode will be the quickest off the line/?
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Old Dec 3, 2005 | 05:54 PM
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Originally Posted by Miaugi
How do you think it works on a C5? My explanation was very basic, but I think it's accurate.
Well I know how it works on a C5 .

Comp mode = Active handling is on and Traction Control is off.

Comp mode does not raise the level at which active handling intervenes. It simply turns off your traction control, active handling operates as normal. On a C5 this is how it works.
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Old Dec 6, 2005 | 07:01 PM
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Be sure you know what your tires will do, especially cold, in Comp Mode (i.e. without traction control) if you are planning on trying this at the track....
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Old Dec 6, 2005 | 07:47 PM
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Originally Posted by shurite44
Comp mode does not raise the level at which active handling intervenes. It simply turns off your traction control, active handling operates as normal. On a C5 this is how it works.
No, the C5, like the C6, allows larger slip angles in Competition Mode before AH intervenes.
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Old Dec 7, 2005 | 11:49 AM
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Originally Posted by DoctorV8
No, the C5, like the C6, allows larger slip angles in Competition Mode before AH intervenes.
Source?? You may be right, I have heard of this before but any tech stuff from GM I have read simply says TC is off and AH is on.
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Old Dec 7, 2005 | 02:13 PM
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Originally Posted by Arthur6
Hold the button down for about 10 seconds (seems like a long time), everything will be turned off.
- WATCH OUT - NOT KIDDING -
Really caught me by surprise on the first to second shift the first time on my a4. Really do watch out
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Old Dec 7, 2005 | 02:17 PM
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Originally Posted by shurite44
Source?? You may be right, I have heard of this before but any tech stuff from GM I have read simply says TC is off and AH is on.
Let me look into it....don't remember off hand where....
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Old Dec 7, 2005 | 03:22 PM
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Originally Posted by DoctorV8
Let me look into it....don't remember off hand where....
Good luck, I looked before I made my post to make sure I knew what I was talking about. There used to be a link floating around with a very detailed explanation. I have read this before but I can not find it. All I could find was the owner's manual and some threads about it.

I only use comp mode when I drag race and it has activated before and kept my line very straight, I did not even need to back off the throttle, but I could see it on the DIC and feel it. If it effected my ET adversely it was very minimal.

There were some members posting a few months ago that their TC was engaging with it in Comp mode and with the TC off. They said it happens with high HP moded cars. I was skeptical but several others jumped in the thread and verified it also happened to them. I am still a little skeptical of those claims. I don't think they are fabricating a story I just think what they felt was AH.

Edit: Just to keep this clear I am referring to C5's.
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Old Dec 7, 2005 | 03:35 PM
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Originally Posted by DoctorV8
Let me look into it....don't remember off hand where....
Don't bother. You are absolutely correct technically. Problem is most people on here have no idea of what a slip angle is or what that means in terms of contact patch behavior.
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Old Dec 7, 2005 | 03:35 PM
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Originally Posted by shurite44
There were some members posting a few months ago that their TC was engaging with it in Comp mode and with the TC off. They said it happens with high HP moded cars. I was skeptical but several others jumped in the thread and verified it also happened to them. I am still a little skeptical of those claims. I don't think they are fabricating a story I just think what they felt was AH.
According to Hib Halverson, there is a so-called "power-hop" algorithm which, if the ECM detects conditions indicate wheel hop, it will intervene even in Comp mode. Again, this was on C5's.
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Old Dec 7, 2005 | 03:39 PM
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Originally Posted by TTRotary
Don't bother. You are absolutely correct technically. Problem is most people on here have no idea of what a slip angle is or what that means in terms of contact patch behavior.
What's wrong with posting a source for some info?
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Old Dec 8, 2005 | 07:46 AM
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Old Dec 8, 2005 | 08:43 AM
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I don't think you can classify this as beating a dead horse when it seems like people do not really know what competitive driving mode is. Odd bunch over here in the C6 section.

Anyway here are the articles I referred to. As you can see both state when competitive driving mode is engaged TC is off and AH is on.

I guess the techs that wrote the articles must be like most of the people on here, no idea what slip angle or contact patch behavior is. Now that one did crack me up. Ok so please tell me what in the definition of slip angle and contact patch would tell me TC is on when in Competative driving mode.

http://www.idavette.net/hib/ah1.htm

In the competitive mode, the system's ability to reduce wheel spin on acceleration is disabled but Active Handling's other capabilities remain. In many dry pavement, aggressive driving situations, because of the Corvette's limited slip differential, it's advantageous to have rear wheel spin. Those situations are when the competitive driving mode should be used.
http://www.corvetteactioncenter.com/...01agility.html

As alluded to in the previous paragraph, Corvette's Active Handling system has a unique feature called "Competitive Mode", which allows the driver to disengage the car's traction control feature without giving up Active Handling's other benefits.
So is AH enhanced when in competitive driving mode, I am not sure but these articles certainly do not indicate this. Is TC off when in competitive driving mode, well according to every tech article on the subject I have read yes.

So I stick with my statement.

Comp mode = TC off AH on.
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