How to fix wheel Hop - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Simmons · 02-14-2013, 08:44 PM

What causes wheel hop on these cars, is there a way to fix it?

Thanks,

Simmons

husker741 · 02-14-2013, 08:50 PM

Burnouts.

Walldodger · 02-14-2013, 08:56 PM

Do you mean the wheels are tramping on acceleration? I didn't think that was a problem with these cars.
But first I've heard of it.

dorifuto · 02-14-2013, 09:54 PM

I've dumped the clutch and smoked the tires plenty of times. Never once had wheel hop.

Coheed · 02-14-2013, 10:28 PM

I get wheel hop all the time. Just not when sideways. It happens more on damp roads. And it is violent.

Needs subframe bushings I think.

Simmons · 02-14-2013, 10:38 PM

Quote:

Originally Posted by Coheed

I get wheel hop all the time. Just not when sideways. It happens more on damp roads. And it is violent.

Needs subframe bushings I think.

Nope, I already have them and it didn't help.

Simmons

Tansey86 · 02-14-2013, 10:46 PM

Control Arms

JoeBoxer · 02-14-2013, 11:56 PM

Differential bushings maybe? There are some trailing arm bushings and stuff available too but this is the first i've heard of this issue.

NYC BRZ · 02-15-2013, 07:36 AM

Control arms, controls arm bushings, and diff bushings. It worked for my G8 GT.

Sent from my Galaxy S3 using Tapatalk 2

Calum · 02-15-2013, 07:52 AM

[ame="https://www.youtube.com/watch?v=IDfJ_zYFPcs"]BRZ / FT86 / FR-S Whiteline Subframe Lock Out Kit - YouTube[/ame]

Watch the diff bushings in this video.

Wheel hop can come from a lot of places, if you're getting it you need to take care of all of them. I think those stock diff bushings are going to be one of the weakest links. But subframe bushings, control arm bushings, springs and shocks, and even the tires can all play a part. I know guys that would swap strut/springs packages if they were going from drag radials to slicks.

This can get as in depth as tuning the rest of the suspension.

For now, try adding 2 more psi to your tires and see if that helps.

wparsons · 02-15-2013, 11:54 AM

Will diff bushings actually do anything for wheel hop? I would think only parts that actually effect the suspension (subframe and control arm) bushings would have an effect?

xxscaxx · 02-15-2013, 12:40 PM

I get this a lot on my winter tires... If I step on it and i'm on a crappy road, my TSC goes off and you can just see my RPM's bouncing. its annoying as shit. I never noticed it with my stock tires. I just assumed it was the snows.

Noob4Life · 02-15-2013, 01:30 PM

I replaced just the dogbone mount in my jetta with a stage 1 poly mount and there was so much less wheel hop that I actually thought id lost some power. The difference was might and day.

Sent from my SAMSUNG-SGH-I317 using Tapatalk 2

A5D5TRYR · 02-15-2013, 01:39 PM

Quote:

Originally Posted by xxscaxx

I get this a lot on my winter tires... If I step on it and i'm on a crappy road, my TSC goes off and you can just see my RPM's bouncing. its annoying as shit. I never noticed it with my stock tires. I just assumed it was the snows.

I seem to get this with my winter tires as well.

02-14-2013, 08:44 PM	#1
Simmons Senior Member Join Date: Jun 2012 Drives: 2024 GR86/ 2015 FRS Location: PA Posts: 961 Thanks: 306 Thanked 575 Times in 269 Posts Mentioned: 17 Post(s) Tagged: 0 Thread(s)	How to fix wheel Hop What causes wheel hop on these cars, is there a way to fix it? Thanks, Simmons __________________ 2024 GR86 71 STR/ 2015 FRS 71 STX Sponsors Xero-Limit//Karcepts

02-15-2013, 07:36 AM	#9
NYC BRZ AutoX Addict Join Date: Mar 2012 Drives: 08 Pontiac G8 GT,13 GBS BRZ Limited Location: Queens, NY Posts: 723 Thanks: 168 Thanked 118 Times in 83 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Control arms, controls arm bushings, and diff bushings. It worked for my G8 GT. Sent from my Galaxy S3 using Tapatalk 2 __________________ 2013 BRZ Limited- GBS - 6MT -VIN #0937 ~~NYR SCCA # 18 C Street R (CSR)~~ "But there’s no mistaking the noise. This car is loud, and not in a particularly nice way. There’s no crisp exhaust note, no induction wheezing. It’s just the sound of petrol exploding in a metal box." - Jeremy Clarkson

02-15-2013, 01:30 PM	#13
Noob4Life 86 Noob Join Date: Dec 2012 Drives: Firestorm FR-S Location: Yuba City, CA Posts: 596 Thanks: 153 Thanked 189 Times in 97 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	I replaced just the dogbone mount in my jetta with a stage 1 poly mount and there was so much less wheel hop that I actually thought id lost some power. The difference was might and day. Sent from my SAMSUNG-SGH-I317 using Tapatalk 2 __________________

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02-14-2013, 08:50 PM	#2
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02-14-2013, 08:56 PM	#3
Walldodger Member Join Date: Dec 2012 Drives: Four wheels, two seats, etc Location: Queensland Posts: 80 Thanks: 23 Thanked 63 Times in 14 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Do you mean the wheels are tramping on acceleration? I didn't think that was a problem with these cars. But first I've heard of it.

02-14-2013, 09:54 PM	#4
dorifuto If in doubt,flat out Join Date: Oct 2012 Drives: 2013 brz Location: colorado Posts: 260 Thanks: 56 Thanked 211 Times in 75 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I've dumped the clutch and smoked the tires plenty of times. Never once had wheel hop.

02-14-2013, 10:28 PM	#5
Coheed Senior Member Join Date: Jun 2012 Drives: DGM BRZ Limited Location: Seattle Posts: 813 Thanks: 209 Thanked 225 Times in 157 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I get wheel hop all the time. Just not when sideways. It happens more on damp roads. And it is violent. Needs subframe bushings I think.

02-14-2013, 10:46 PM	#7
Tansey86 Senior Member Join Date: Sep 2012 Drives: 2003 Subaru Outback Location: Long Island, NY Posts: 1,318 Thanks: 154 Thanked 529 Times in 300 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Control Arms

02-14-2013, 11:56 PM	#8
JoeBoxer Senior Member Join Date: Jul 2012 Drives: Whiteout FR-S Location: Arkansas Posts: 4,154 Thanks: 1,666 Thanked 1,627 Times in 997 Posts Mentioned: 72 Post(s) Tagged: 0 Thread(s)	Differential bushings maybe? There are some trailing arm bushings and stuff available too but this is the first i've heard of this issue.

02-15-2013, 07:52 AM	#10
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,868 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	[ame="https://www.youtube.com/watch?v=IDfJ_zYFPcs"]BRZ / FT86 / FR-S Whiteline Subframe Lock Out Kit - YouTube[/ame] Watch the diff bushings in this video. Wheel hop can come from a lot of places, if you're getting it you need to take care of all of them. I think those stock diff bushings are going to be one of the weakest links. But subframe bushings, control arm bushings, springs and shocks, and even the tires can all play a part. I know guys that would swap strut/springs packages if they were going from drag radials to slicks. This can get as in depth as tuning the rest of the suspension. For now, try adding 2 more psi to your tires and see if that helps.

02-15-2013, 12:40 PM	#12
xxscaxx Senior Member Join Date: Jul 2012 Drives: 2013 SWP BRZ Location: New York Posts: 2,240 Thanks: 458 Thanked 878 Times in 556 Posts Mentioned: 34 Post(s) Tagged: 0 Thread(s)	I get this a lot on my winter tires... If I step on it and i'm on a crappy road, my TSC goes off and you can just see my RPM's bouncing. its annoying as shit. I never noticed it with my stock tires. I just assumed it was the snows.

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