copetition mode???
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
copetition mode???
i have seen a few still photos of c5 vettes and the dash readout says "copetition mode" or somthing like that. is there a special way to activate this? what differences is there in the handling/performance?
perphaps im crazy and im seeing things?
perphaps im crazy and im seeing things?
Burning Brakes
Joined: Apr 2007
Posts: 1,030
Likes: 1
From: Douglasville Ga
nope..your not crazy. it is activated by holding the trackion control button in for 10 second. this will allow the car top loose traction in the straight direction but will kick in the control if the car gets really squirrely (sp?).
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
i found this
http://www.corvetteactioncenter.com/...tion-mode.html
but dont know where the active button on the center consoul is. help
http://www.corvetteactioncenter.com/...tion-mode.html
but dont know where the active button on the center consoul is. help
Melting Slicks
Joined: Sep 2008
Posts: 2,389
Likes: 5
From: Northern Virginia
It's the button behind the shifter with the car that looks like it's laying down rubber.
Does it deactivate once the car is turned off? Or do you hold down the button again for 10 seconds?
Also, according to that link he posted up comp mode = hold down button for 5 seconds.
Does it deactivate once the car is turned off? Or do you hold down the button again for 10 seconds?
Also, according to that link he posted up comp mode = hold down button for 5 seconds.
Last edited by TheDingo; Nov 29, 2008 at 05:08 PM.
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
so hold the traction control button down huh? hum i tried that the other day but dont think i held it long nuf. thanks!
Burning Brakes
Joined: Apr 2007
Posts: 1,030
Likes: 1
From: Douglasville Ga
the button is right in front of the center console. it should be fairly obvious.
just like turning the AH/TC off, onced the car is turned off, it will reactivate the AC/TC and turn it back on.
just like turning the AH/TC off, onced the car is turned off, it will reactivate the AC/TC and turn it back on.
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
haha i know where the button is, i was looking for an active handling button. but thanks for this info man!
Melting Slicks
Joined: Aug 2002
Posts: 2,737
Likes: 2
From: California USA
3 MODES AVAIL:
a) AH/TC ON; characterized by nose dives, and you can often feel the pcm pulling spark at wot
b) COMPETITION MODE (AH ON / TC OFF); i can usually feel rear wheel diff braking under hard accel.
c) AH/TC OFF; no interference from pcm on driver. hang on.
For whatever reason, I have noticed on 2 C5's that mode b. works really well w/respect to lateral movement. Under smooth hard straight forward accel, if I start breaking the tires loose, I can feel one side or the other diff brake on the slightest lateral movement.
I don't get this in mode a. Could be because traction control is applied first, I don't know. In c, its a free for all.
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From: New Jersey
St. Jude Donor '05, '12-'13, '15-'16, '21
3 MODES AVAIL:
a) AH/TC ON; characterized by nose dives, and you can often feel the pcm pulling spark at wot
b) COMPETITION MODE (AH ON / TC OFF); i can usually feel rear wheel diff braking under hard accel.
c) AH/TC OFF; no interference from pcm on driver. hang on.
For whatever reason, I have noticed on 2 C5's that mode b. works really well w/respect to lateral movement. Under smooth hard straight forward accel, if I start breaking the tires loose, I can feel one side or the other diff brake on the slightest lateral movement.
I don't get this in mode a. Could be because traction control is applied first, I don't know. In c, its a free for all.
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
3 MODES AVAIL:
a) AH/TC ON; characterized by nose dives, and you can often feel the pcm pulling spark at wot
b) COMPETITION MODE (AH ON / TC OFF); i can usually feel rear wheel diff braking under hard accel.
c) AH/TC OFF; no interference from pcm on driver. hang on.
For whatever reason, I have noticed on 2 C5's that mode b. works really well w/respect to lateral movement. Under smooth hard straight forward accel, if I start breaking the tires loose, I can feel one side or the other diff brake on the slightest lateral movement.
I don't get this in mode a. Could be because traction control is applied first, I don't know. In c, its a free for all.
Tech Contributor
Joined: Oct 1999
Posts: 41,063
Likes: 9,826
From: Charlotte, NC (formerly Endicott, NY)
Not sure what you mean by diff braking. AH applies the front or rear brakes depending on what direction the driver is pointing the steering wheel. It will work in correlation with both traction control and abs. Traction control uses both engine torque reduction and brake application to limit wheel spin.
To find out what AH does you need to do something besides a fast start. Take the car out into an empty parking lot and start driving in a tight circle and increase speed until the front end starts to slide. You will feel the inside rear brake being applied to yaw the car back into the direction you are pointing the steering. If you give it to much gas while doing this you can get into a power over steer situation and the outside front brake will be applied to control the tail end slide. This really is evident if you perform a quick lane change in an emergency or run a slalom.
Competition mode just turns off the traction control so you can spin the rear tires as much as you want and you do not get inadvertant torque reduction in the middle of a turn.
The other thing is the PCM doesn't intervene unless the EBCM requests a torque reduction. AH, TC are all functions of the antilock braking system. That is why people cannot tune it out.
Bill
To find out what AH does you need to do something besides a fast start. Take the car out into an empty parking lot and start driving in a tight circle and increase speed until the front end starts to slide. You will feel the inside rear brake being applied to yaw the car back into the direction you are pointing the steering. If you give it to much gas while doing this you can get into a power over steer situation and the outside front brake will be applied to control the tail end slide. This really is evident if you perform a quick lane change in an emergency or run a slalom.
Competition mode just turns off the traction control so you can spin the rear tires as much as you want and you do not get inadvertant torque reduction in the middle of a turn.
The other thing is the PCM doesn't intervene unless the EBCM requests a torque reduction. AH, TC are all functions of the antilock braking system. That is why people cannot tune it out.
Bill
Safety Car
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St. Jude Donor '08
Race Director
Joined: Jan 2006
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From: Not on either liberal coast.
The computers are faster than any human being can react should the need arise to correct an out of control car, especially on the street. On the track it might be a different story and need.
No offense, but if one doesn't know where the button is that activates/deactivates the computers, it might be safer to suggest to leave the button alone.
To many times there's been a new owner w/o training and/or experience post that he/she wrecked their car with the system(s) deactivated...
No offense, but if one doesn't know where the button is that activates/deactivates the computers, it might be safer to suggest to leave the button alone.
To many times there's been a new owner w/o training and/or experience post that he/she wrecked their car with the system(s) deactivated...
Last edited by hotwheels57; Nov 29, 2008 at 06:47 PM.
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
The computers are faster than any human being can react should the need arise to correct an out of control car, especially on the street. On the track it might be a different story and need.
No offense, but if one doesn't know where the button is that activates/deactivates the computers, it might be safer to suggest to leave the button alone.
To many times there's been a new owner w/o training and/or experience post that he/she wrecked their car with the system(s) deactivated...
No offense, but if one doesn't know where the button is that activates/deactivates the computers, it might be safer to suggest to leave the button alone.
To many times there's been a new owner w/o training and/or experience post that he/she wrecked their car with the system(s) deactivated...
Cruising
Joined: Nov 2008
Posts: 14
Likes: 0
From: Tulsa Oklahoma
Well I am still getting acquainted with my 04 6-speed, but today the car let me take a very competitive launch today where the vette was slightly side ways and barely breaking traction through gears 1 and 2 today without interfering! 
Hope the weather is nice here tomorrow so I can play with the full off mode.
So far my opinion of "Competitive Mode" is a much better option than the ASR mode my 99 Camaro SS had.
Hope the weather is nice here tomorrow so I can play with the full off mode.So far my opinion of "Competitive Mode" is a much better option than the ASR mode my 99 Camaro SS had.
Last edited by TorchRedTulsa; Nov 29, 2008 at 08:08 PM.
Thread Starter
Racer
Joined: Sep 2008
Posts: 422
Likes: 1
From: albany ny
Drifting
Joined: Mar 2005
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St. Jude Donor '09