How do I get rid of wheel hop?

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Old 05-02-2019, 05:08 PM
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How do I get rid of wheel hop?

Hey. Simple question looking for a simple answer? How do I get rid of wheel hop when I lose traction in my 2004 G35 Coupe.

I moved over from the Z platform and I had Eibach lowering springs on it, no wheel hop. Im thinking I can do the same with my G?
 
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Old 05-02-2019, 05:47 PM
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Wheel hop can be caused by a number of different reasons, one being the composition of the rubber tire itself or the surface you're driving on, next is the condition and type of bushings that make up the suspension pivot points and lastly would be movement or deflection of the suspension when the wheel breaks free and loses traction.

Basically what happens is the tire grips the road and the suspension loads itself a certain way, then the tire breaks free of the surface and the suspension snaps back to it's neutral position, then you grab traction again and the suspension loads up, snaps back, loads up, snaps back.

Each time this happens there a "bouncing or jerking or shuddering" that goes through the entire chassis but it's a LOT more pronounced at the tires where this is happening. Preventing wheel hop depends on a LOT of different variables, are you having hop from a standing start? Are you hopping coming out of a corner? Each type of wheel hop is tackled in a slightly different way however the first thing to do is replace any worn bushings, anything that's rubber I strongly recommend you replace with urethane. This includes any bushings attached to the differential.

Once you have everything very stable and movement isn't a factor then you can get into things like adjustable damping and rebound but typically on a platform like the 350Z/G35 when you have a lot of hop at factory torque levels it's due to worn bushings or shocks, or a really cold track...

Straight line-only vehicles run bias ply tires because they are less prone to hop and hooking up a good launch is critical, I don't really recommend them for street use because 1. they're ungodly expensive for drag tires 2. they corner like ****. But if you do then I strongly recommend a set of Mickey Thompson ET Street, just put a set on a friends Hellcat Redeye and they're absolutely amazing.
 
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Old 05-02-2019, 05:53 PM
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Hey! Thanks for the detailed response. I'm not looking to use the G for straightline activities per-se, more of stuff involving sliding if you get my drift. Now back to what you said. Coming from a standstill there's wheel hop and I'm
Looking to eliminate that. Funny enough, sliding I also get wheel hop so I'm also looking to eliminate this aswell.

I'll look Into poly bushings/replacement parts for everything in my rear end, but am also curious as to why only having lowering springs on my 350z killed wheel hop, while on the G it seems a bit more complicated.
 
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Old 05-02-2019, 06:04 PM
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Probably because the bushings on the Z were in a lot better condition overall. I suspect when you get under the G you're going to find a LOT of worn components.
 
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Old 05-02-2019, 06:09 PM
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Mileage on the Z was 104-8k during my time of owning it and the G's BODY has 150k..
 
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Old 05-04-2019, 01:11 PM
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04 G35 Sedan performance package. 70k Eibach springs and sway bars. 19 inch wheels. Plenum spacer.
Wheel hop is from something soft. Either the springs or a bushing. In this case, making sure the rear differential/subframe isn't flexing too much , would be what I would look at. Urethane rear subframe and differential mounts would be best. https://www.carid.com/whiteline/rear...2&url=80847731
 

Last edited by Pbfoot; 05-04-2019 at 01:12 PM. Reason: Msp
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Old 05-05-2019, 01:20 PM
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Lots of G's and Z's need upgraded diff bushings and subframe bushings. The easy way is cutting out the diff subframe bushing and going poly, and then installing Z1's collars in the 4 subframe bushings.
 
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Old 05-11-2019, 02:01 PM
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My wheel hop went away when I changed my rear shocks. Those are dumb easy to replace on these cars.

If you still have an issue, then start replacing bushings.
 
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