TT2 runout problem - Team Camaro Tech
Wheels & Tires What fits what?

 
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post #1 of 2 (permalink) Old Jan 28th, 06, 02:13 PM Thread Starter
Senior Tech
Noel
 
Join Date: Sep 2002
Location: Ontario, Canada
Posts: 145
TT2 runout problem

Looking for some input from some of the tire guys here. I have had a frontend vibration I can't get rid of. I had the set roadforce balanced and they told me the fronts were out of spec. I am going to be sending a couple of rims back to American racing. They told me their tolerance for out of round is .035". Any thoughts on the specs I have here? Would this cause a fairly bad vibration? Worse above 75 mph. They are 17" on 245/45's and 275/40's

Thanks Noel
Front Rims
1. Inner Outer
Lateral .026 .040
Radial .024 .018

2.
Lateral .029 .025
Radial .050 .022

Rear Rims
1.
Lateral .019 .034
Radial .020 .013

2.
Lateral .009 .011
Radial .011 .017

Noel
Tornado Red '69 Camaro ZZ383, 700R4, LS1 brakes, 17" TTII's
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post #2 of 2 (permalink) Old Feb 6th, 06, 10:25 PM
Senior Tech
 
Join Date: Jun 2005
Location: Sunny So. Cal
Posts: 3,064
Re: TT2 runout problem

Yeah, .035 might not seem like alot, it's about the distance of a spark plug gap. I imagine it would cause major vibration above 70 MPH. I used to balance tires for a living, and any rim that required more than 3 ounces of weight, would be considered out of round. So it doesn't take alot to throw them off.

67 RS Camaro 327/ 350 Holley 650cfm > Edelbrock Performer Intake > Pertronix Ignition > Accel Super Stock Coil and Wires > Hedman Hedders > Hotchkis Performance Springs > 15" Rallys all around


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