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Alignment and wheel hop

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Old Nov 13, 2021 | 03:30 PM
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Default Alignment and wheel hop

I've been having some wheel hop for some time now and I've tried changing tires and shocks to Michelin PS 4s and Bilstein HD (B6) But I'm still getting it. I've checked my motor mounts, no orange stuff leaking out. I recently got an alignment, but I wouldn't say they did a great job. If it was green they left it. So the specs for my rear wheels are in spec, but barely. I'm wondering if it's possible that the not so great alignment is causing, or contributing to the hop. Camber is -0.5* L, -0.1* R. Toe is -0.05* L, +0.08* R.

I don't want to hear about how I can drive around the wheel hop. I'm not drag racing, but if I come after it in first gear it hops, and I want it to spin. If I dump the clutch so the power hits hard enough it'll spin, but when it's on the brink of spinning it hops.

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Old Nov 13, 2021 | 05:33 PM
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Toe is what you should be looking at
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Old Nov 13, 2021 | 06:47 PM
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Originally Posted by davidfarmer
Toe is what you should be looking at
So you think fixing the toe could fix the wheel hop?
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Old Nov 13, 2021 | 08:46 PM
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No, toe has nothing to do with wheel hop. Are you getting a wheel hop on rears when you step on it or just regular driving, if so which side?
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Old Nov 14, 2021 | 02:31 AM
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In my case poly control arm bushes, poly trans & engine mounts removed practically all wheel hop.
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Old Nov 14, 2021 | 06:05 AM
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Originally Posted by gsflyer2011
No, toe has nothing to do with wheel hop. Are you getting a wheel hop on rears when you step on it or just regular driving, if so which side?
Only when I step on it, not sure what side
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Old Nov 14, 2021 | 06:07 AM
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Originally Posted by Blizzard1975
In my case poly control arm bushes, poly trans & engine mounts removed practically all wheel hop.
Did you do all of it at the same time? How bad are vibrations? Do the control arms squeak?
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Old Nov 14, 2021 | 06:27 AM
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I did them each separately, control arms reduced hop about 50%, trans mount 30%, engine mount final 20%. Car feels much better, engine mount increases vibration a bit. No squeaks so far after 3 yrs.
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Old Nov 14, 2021 | 07:25 AM
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Originally Posted by Blizzard1975
I did them each separately, control arms reduced hop about 50%, trans mount 30%, engine mount final 20%. Car feels much better, engine mount increases vibration a bit. No squeaks so far after 3 yrs.
Did you do both upper and lower control arms? Any downside to them?
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Old Nov 14, 2021 | 11:23 AM
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I did both. Only downside imo was tedious install and need to realign wheels.
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Old Nov 15, 2021 | 12:18 AM
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What tires and what temperature? Traction control disabled or enabled?
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Old Nov 15, 2021 | 06:14 AM
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Two separate tire sets: Michelin Pilot Super Sport & Toyo R888R. Various ambient temps from 10-30 degrees C. Tried with all TC settings.

Last edited by Blizzard1975; Nov 15, 2021 at 07:26 AM.
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Old Nov 15, 2021 | 06:41 AM
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There are various threads available on his forum, e.g.
https://www.corvetteforum.com/forums...d-cures-3.html
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