Wheel hop on launch - cause?
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Joined: Nov 2015
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From: Naples FL
Wheel hop on launch - cause?
I have a factory stock 2016 Stingray Z51 A8, including Michelin Super Sport runflats. Current odometer reading is 8,500 miles. In street driving, including wheel spinning full throttle runs from a stop, everything seems to be okay even.
I had my C7 to the drags about a year ago. Launch technique: Rear tires 25 PSI / Traction Control off / 5 second burnout / Launch Control not engaged / launch off idle. On several passes I experienced severe wheel hop. (Ran 11.77 @ 118 MPH with 1.72 60 foot ET on run without wheel hop.) Other C7 Corvettes including Z06's running experienced no wheel hop.
Afterwards I had my C7 put on a lift at a Chevrolet dealership to check out the rear suspension to make sure everything was okay, and I was told that everything appeared to be okay.
A week ago I had my C7 to the same track again. Launch technique: Same as before. Again on several passes I experienced severe wheel hop. (Ran 11.76 @ 118 MPH with 1.71 60 foot ET on run without wheel hop.)
My C7 has the standard Z51 Bilstein shocks, not the Magnetic Ride shocks. Is it possible a bad shock is causing the wheel hop? (Note: There is no sign of fluid leaking from either rear shock.)
Comments appreciated. Thanks.
I had my C7 to the drags about a year ago. Launch technique: Rear tires 25 PSI / Traction Control off / 5 second burnout / Launch Control not engaged / launch off idle. On several passes I experienced severe wheel hop. (Ran 11.77 @ 118 MPH with 1.72 60 foot ET on run without wheel hop.) Other C7 Corvettes including Z06's running experienced no wheel hop.
Afterwards I had my C7 put on a lift at a Chevrolet dealership to check out the rear suspension to make sure everything was okay, and I was told that everything appeared to be okay.
A week ago I had my C7 to the same track again. Launch technique: Same as before. Again on several passes I experienced severe wheel hop. (Ran 11.76 @ 118 MPH with 1.71 60 foot ET on run without wheel hop.)
My C7 has the standard Z51 Bilstein shocks, not the Magnetic Ride shocks. Is it possible a bad shock is causing the wheel hop? (Note: There is no sign of fluid leaking from either rear shock.)
Comments appreciated. Thanks.
Last edited by RPOC7R; Feb 24, 2019 at 05:34 PM.
Burning Brakes
Joined: Jun 2012
Posts: 1,029
Likes: 88
From: NJ
Can be a variety of things. Tire pressure, the more air, the better chance of wheel hop. Also could be the track, if the tires lose grip, that can cause hop. More power then the tire can handle. Suspension issues.
Dig
Joined: Jan 2006
Posts: 5,479
Likes: 1,137
From: Port Saint Lucie FLORIDA & HONDURAS
Did you try any runs loading up the suspension.... not launching off idle ?
Track prep, burnout, tire pressure like mentioned above ....
The only time I had a bit of wheel hop was launching off idle at the track. That was only one time.
Track prep, burnout, tire pressure like mentioned above ....
The only time I had a bit of wheel hop was launching off idle at the track. That was only one time.
Burning Brakes
Joined: Jul 2002
Posts: 754
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From: Denton Texas
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I had that all the time on C5Z06. It ended when I put on Johnny O'Connell suspension. Better shocks larger sway bars.
Team Owner
Joined: Jan 2007
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From: cookeville tennessee
I agree OP load up the suspension will help you a lot but this one and the above you would need to look at for sure... It is not good at all for the car.. Robert
Le Mans Master
Joined: Mar 2006
Posts: 5,775
Likes: 585
From: Texas
Not enough traction. You can either engage traction control which will hurt your ET's or the cheapest band-aid is a gallon of Trak-Bite. Swab your tires with that once you get to the track and you should be golden. Messy as hell, tho - be prepared for that.
Drifting
Joined: Apr 2015
Posts: 1,276
Likes: 317
Things that I have found to contribute to wheel hop:
1) runflats
2) soft upper control arm bushings
3) soft lower control arm bushings
4) shocks set too stiff/aggressive
1) runflats
2) soft upper control arm bushings
3) soft lower control arm bushings
4) shocks set too stiff/aggressive
Last edited by JHEBERT; Mar 7, 2019 at 12:36 AM.
Tech Contributor
Joined: Oct 1999
Posts: 41,058
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From: Charlotte, NC (formerly Endicott, NY)
Try less of a burn out. My experience with wheel hop on my C5 was as the tires got hotter wheel hop went from none to a lot. Of course your tires are no where near as stiff as the old C5 EMTs but it might be worth trying a shorter burn out.
Bill
Bill
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Drifting
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Melting Slicks
Joined: Jun 2006
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From: Miami Florida
ain’t up that high but that was then heads cam & headers .
Last edited by xBoostx; Feb 16, 2020 at 02:31 PM.
Instructor
Joined: Oct 2002
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From: Daytona Beach, Florida
I have a factory stock 2016 Stingray Z51 A8, including Michelin Super Sport runflats. Current odometer reading is 8,500 miles. In street driving, including wheel spinning full throttle runs from a stop, everything seems to be okay even.
I had my C7 to the drags about a year ago. Launch technique: Rear tires 25 PSI / Traction Control off / 5 second burnout / Launch Control not engaged / launch off idle. On several passes I experienced severe wheel hop. (Ran 11.77 @ 118 MPH with 1.72 60 foot ET on run without wheel hop.) Other C7 Corvettes including Z06's running experienced no wheel hop.
Afterwards I had my C7 put on a lift at a Chevrolet dealership to check out the rear suspension to make sure everything was okay, and I was told that everything appeared to be okay.
A week ago I had my C7 to the same track again. Launch technique: Same as before. Again on several passes I experienced severe wheel hop. (Ran 11.76 @ 118 MPH with 1.71 60 foot ET on run without wheel hop.)
My C7 has the standard Z51 Bilstein shocks, not the Magnetic Ride shocks. Is it possible a bad shock is causing the wheel hop? (Note: There is no sign of fluid leaking from either rear shock.)
Comments appreciated. Thanks.
I had my C7 to the drags about a year ago. Launch technique: Rear tires 25 PSI / Traction Control off / 5 second burnout / Launch Control not engaged / launch off idle. On several passes I experienced severe wheel hop. (Ran 11.77 @ 118 MPH with 1.72 60 foot ET on run without wheel hop.) Other C7 Corvettes including Z06's running experienced no wheel hop.
Afterwards I had my C7 put on a lift at a Chevrolet dealership to check out the rear suspension to make sure everything was okay, and I was told that everything appeared to be okay.
A week ago I had my C7 to the same track again. Launch technique: Same as before. Again on several passes I experienced severe wheel hop. (Ran 11.76 @ 118 MPH with 1.71 60 foot ET on run without wheel hop.)
My C7 has the standard Z51 Bilstein shocks, not the Magnetic Ride shocks. Is it possible a bad shock is causing the wheel hop? (Note: There is no sign of fluid leaking from either rear shock.)
Comments appreciated. Thanks.
Drifting
Joined: Dec 2015
Posts: 1,410
Likes: 414
From: Germantown Maryland
I get hop in my 2016 M7 Z51 with mag ride. Tried various temps, mag ride, and TC settings including everything off... nothing seems to change the behavior. There is nothing amiss under there but the car will not do a proper burnout. Not that I need to go around wasting my PSSs doing burnouts but it is so unsatisfying when you get the hop.
I have the same Z51 setup except with a manual. I get wheel hop on the street when tires are cold. Seems to improve after warming up. Seems like there is not enough dampening in the shock, and too much play in the rear end components. The MRC on my 2013 seemed to prevent any hop.
Last edited by raylo; Feb 17, 2020 at 01:00 PM.
Team Owner
Joined: Jan 2007
Posts: 29,063
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From: cookeville tennessee
It will happen with wheel hopping for sure, plus running a runflat tire & not a drag tire will not help. Robert
Dig
Joined: Jan 2006
Posts: 5,479
Likes: 1,137
From: Port Saint Lucie FLORIDA & HONDURAS
35 seconds into the video
BTW... both cars are Procharged 😃