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Road force balancing question

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Old Apr 7, 2019 | 04:35 AM
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Default Road force balancing question

I have vibrations in my c7 and i went away and ask them to road force balance my set of wheels. They told me that it did not work becaus the tyres was to bad so its not going to help and wanted to sell me new tires. i notice that on the wheels it was marking 13,5 and 15 on the back wheel and 34,5 and 35 on the front wheels what does that stand for? I assume that it is the pressure but should it be 15 or 35? maybe not all tires are bad
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Old Apr 7, 2019 | 08:30 AM
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Default Number grades of the road force

From memory those are the numerical grades of the balance result. You want very low numbers, as low as to 0 as possible. Good luck
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Old Apr 7, 2019 | 08:36 AM
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Default Full answer...

Road Force essentially places a number on how egg shaped the wheel tire assembly is or how out of round it is. You can a perfect dynamic balance on a tire but if it is not round it can feel like an out of balanced tire.
The Hunter RF balancer has a roller that measures for this and assigned a number to the amount of eccentricity, a higher number means more out of round.

Last edited by faninc; Apr 7, 2019 at 08:36 AM.
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Old Apr 7, 2019 | 09:53 AM
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Here is an explanation of Road Force Balancing

http://www.motorweek.org/features/go...orce_balancing
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Old Apr 8, 2019 | 05:26 AM
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Thank you all!
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Old Apr 8, 2019 | 11:21 AM
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OP, What was the end result?

Bad tires, out of round rim, shifting the position of the old tires on rim, another shop as examples?
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Old Apr 8, 2019 | 07:59 PM
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Originally Posted by gmarcucio
Here is an explanation of Road Force Balancing

http://www.motorweek.org/features/go...orce_balancing
Awesome explanation of road force balancing , thanks for posting the link

Dave
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