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Old 06-12-2019, 07:45 AM   #4
BoxMann
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Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
Quote:
Originally Posted by PaulE View Post
How was the car before the new tires were installed? If you had the shimmy on the old tires, and everything else checks out, it could be that one of your wheels is bent so slightly that it isn't visible to the naked eye but still results in a shimmy. The places that repair and true wheels use dial indicators to check trueness in both up and down and side to side. I had all 4 of my wheels trued while they were being refinished, and my car is now the smoothest it's ever been. Of course I went to an HPDE a couple of weeks ago and now my tires' treads are coated in race rubber with stones stuck to them, so that all needs to wear off to get the smoothness back!
Wouldn't a Roadforce balancer detect a wheel that's not true? And also, if that were the problem, why would it happen intermittently?
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2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's

Last edited by BoxMann; 06-12-2019 at 07:59 AM.
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