Z51 C8

c8rocco said:
Did you check the alignment? Could be the issue.
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They told me , to take it to the dealer but no appointment till mid November.! So will wait till spring, when I take it out again and get the oil changed, at the same time.
 
C8 route66 said:
You can check the tire temperature by selecting it in the display options. Maybe make a note of the temp before/after a run. Maybe use an infrared gun to see the temp as well. Is there a way to do a burnout by disabling the traction control?

What did you have the suspension set to using my mode, sport or track? Maybe using a different setting than what you have been using might help.

There is a way to see how much weight is on each wheel using a bathroom scale. Searching a form such as Airstream... will give one the method to do so. This is done while setting up a weight distribution hitch for checking how much weight is being transferred to the front axle from the rear axle.

Also doing the autocross track at SM, don't recall wheel hop using an aggressive start to the course. Tires would have been fairly warm after a class or two.

Gather a line lock for the front brakes would help but it might bother the nannies GM has in the software. :-(
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A bit of searching doesn’t take long.
https://www.motortrend.com/features/how-to-use-launch-control-burnout-mode-2020-c8-corvette-video/
 
1st Vette said:
A bit of searching doesn’t take long.
https://www.motortrend.com/features/how-to-use-launch-control-burnout-mode-2020-c8-corvette-video/
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WOW! @Rruuff Day was right!!

Chevy's got a mode for that, unofficially named "burnout mode." It's even easier to use than launch control because you don't need to get into PTM modes and all that. Just put the car in drive, stand on the brake, pull both steering wheel paddles to temporarily open the clutches, floor the throttle, and release the paddles when you're ready to go. The computer will do a carefully controlled clutch dump and will let the tires spin rather than trying to get the perfect launch. When you're done, just lift off the throttle.
 
Murray20c8 said:
WOW! @Rruuff Day was right!!

. Chevy's got a mode for that, unofficially named "burnout mode." It's even easier to use than launch control because you don't need to get into PTM modes and all that. Just put the car in drive, stand on the brake, pull both steering wheel paddles to temporarily open the clutches, floor the throttle, and release the paddles when you're ready to go. The computer will do a carefully controlled clutch dump and will let the tires spin rather than trying to get the perfect launch. When you're done, just lift off the throttle.
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You doubted me for a second Murray.... Thought you'd have put your full trust in me by now.... What with the pressure tank issue and all ....LMAO.....
 
Murray20c8 said:
WOW! @Rruuff Day was right!!

Chevy's got a mode for that, unofficially named "burnout mode." It's even easier to use than launch control because you don't need to get into PTM modes and all that. Just put the car in drive, stand on the brake, pull both steering wheel paddles to temporarily open the clutches, floor the throttle, and release the paddles when you're ready to go. The computer will do a carefully controlled clutch dump and will let the tires spin rather than trying to get the perfect launch. When you're done, just lift off the throttle.
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So with this burn out mode I do not have to go to launch control? I can use burn out mode to warm up and race? Looks good.
 
wlgj said:
So with this burn out mode I do not have to go to launch control? I can use burn out mode to warm up and race? Looks good.
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Just do this!
As any racer knows, if you want the best grip, whether for launching or cornering, you have to warm your tires. Chevy's got a mode for that, unofficially named "burnout mode." It's even easier to use than launch control because you don't need to get into PTM modes and all that. Just put the car in drive, stand on the brake, pull both steering wheel paddles to temporarily open the clutches, floor the throttle, and release the paddles when you're ready to go. The computer will do a carefully controlled clutch dump and will let the tires spin rather than trying to get the perfect launch. When you're done, just lift off the throttle.

This should get them plenty warm , lol .
 
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1st Vette said:
Just do this!
As any racer knows, if you want the best grip, whether for launching or cornering, you have to warm your tires. Chevy's got a mode for that, unofficially named "burnout mode." It's even easier to use than launch control because you don't need to get into PTM modes and all that. Just put the car in drive, stand on the brake, pull both steering wheel paddles to temporarily open the clutches, floor the throttle, and release the paddles when you're ready to go. The computer will do a carefully controlled clutch dump and will let the tires spin rather than trying to get the perfect launch. When you're done, just lift off the throttle.

This should get them plenty warm , lol .
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Warming up tires has always been an easy thing to do but with this spacecraft car , it is find people, who have the time and place to test this car out. Specifically the place. Where I live , no place to try and test the car. That video from motortrend seems to show launch control take off , with no wheel hop and burn out mode with no wheel hop and with no compound. I read that these run flat tires can cause wheel hop, by the way. Thanks again, with all this help. If we ever meet, I will buy you a couple of beers. Raining here so as soon as it is dry I will test this out and hope I do not get caught.
 
Just saw another video, that shows burn out mode but he shuts off traction control. I will try both ways. Sometimes I miss my Mustangs GTs. So simple to drag race. Traction off, hold the brakes, warm up tires, get to the line, hold the brakes wait for the light and floor it. Bye-bye.
 
wlgj said:
Warming up tires has always been an easy thing to do but with this spacecraft car , it is find people, who have the time and place to test this car out. Specifically the place. Where I live , no place to try and test the car. That video from motortrend seems to show launch control take off , with no wheel hop and burn out mode with no wheel hop and with no compound. I read that these run flat tires can cause wheel hop, by the way. Thanks again, with all this help. If we ever meet, I will buy you a couple of beers. Raining here so as soon as it is dry I will test this out and hope I do not get caught.
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There actually is reference to this in the OWNERS MANUAL. Just saying. Lots of info contained in those 360 pages. Some of it is even useful !
 
wlgj said:
The thing is, it was about 15 today and it was around 15 Saturday. I also had compound at the track. I don't get it. All that weight on the rear wheels!!! Thanks for the input .
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Those Michelin Pilot Sport 4S tires on the Z51 start to harden up once the temp starts to go below 20C and they really need to be warmed up to perform best. They also don't perform as well after about 60-70% wear. When only 3-4 mm of tread left they loose grip. Even my Michelin AS tires were very slippery this week once it dropped below 10C. Need to get them warmed up before any aggressive driving even on the street.
 
DavidWG said:
Those Michelin Pilot Sport 4S tires on the Z51 start to harden up once the temp starts to go below 20C and they really need to be warmed up to perform best. They also don't perform as well after about 60-70% wear. When only 3-4 mm of tread left they loose grip. Even my Michelin AS tires were very slippery this week once it dropped below 10C. Need to get them warmed up before any aggressive driving even on the street.
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Less than 5000 kms, so pretty new. I heard after 5 Celsius or below, they were useless. I read that the hop comes from the sidewalls being so stiff when cooler. So I think, drag radials will be better and fix the problem. With all these post and videos I have lots of new ways to get my C8 to stick on take off. Thank you
 
Jack Raccoon! said:
God gave you the gift of a water box. Take off your big girl panties. Be a Drag Racer, not a Drag Queen...
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I am sure you know, nobody drag races in the rain 🌧, wet track. 😄
 
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