996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Roadforce wheel balancing: Are there different methods?

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Old Dec 23, 2006 | 12:04 AM
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Roadforce wheel balancing: Are there different methods?

Hey guys,

I was told that the best way to balance a set of custom wheels is to use a road force machine. I have also been told to have the wheels balanced via the lug holes versus the hub.

Is this correct? I have never seen a balancing machine that mounts the wheels with the lugs onto the machine prior to balancing? Is this common practice nowadays and what is the benefit?

Thanks
Rob
 
Old Dec 25, 2006 | 11:59 PM
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Does anyone have any input on this?

Thanks.
 
Old Dec 26, 2006 | 01:10 AM
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He Robbie,

Get the wheels done on a Hunter gsp9700 machine. I notice they will take a balanced wheel from a coats machine and find then to be at least a 1/2 weight off. gsp9700.com as far as the lug mounting. I dont think ti will really make a difference. Also the spinning the tire on the wheel balancing I think is pretty BS also. Good Luck. Happy Holidays!

-Suman
 
Old Dec 26, 2006 | 04:10 AM
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i had my wheels done with the ride match balancing. Big difference, no shimmys at all
 
Old Dec 26, 2006 | 08:21 AM
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Old Dec 26, 2006 | 08:03 PM
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The "road force" balance that any particular wheel balancer manufacturer sells you is nothing more than a fancy balance.

A proper quality balancer can give you just as good of a balance as any road force.

It is a common fact that most tire manufacturers do not take into consideration any road force balancer information.

The reason being : Tire manufacturers road force balancers are about 30 feet in diameter as used in their testing. You know this big room with the big machine that costs millions of dollars
You simply cannot replicate this with a small drum type balancer that is 8-10 inches in diameter.

Most of the time it boils down to
The experiance of the technician doing the balancing.
The last time the machine was calibrated and what condition it is in.

Just an FYI..
 
Old Dec 26, 2006 | 08:06 PM
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Originally Posted by RobbieX50
Hey guys,

I was told that the best way to balance a set of custom wheels is to use a road force machine. I have also been told to have the wheels balanced via the lug holes versus the hub.

Is this correct? I have never seen a balancing machine that mounts the wheels with the lugs onto the machine prior to balancing? Is this common practice nowadays and what is the benefit?

Thanks
Rob

I think you are refering to a pin plate versus an old style cone mount.

A modern shop with the proper equipment will use a pin plate mounting system.
 
Old Dec 26, 2006 | 10:27 PM
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Originally Posted by esemes
doorstep service rocks!

Do they offer a nice buffet as well? Now that is what I call service.
 
Old Dec 26, 2006 | 10:30 PM
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Originally Posted by Fabryce@GMGRacing
I think you are refering to a pin plate versus an old style cone mount.

A modern shop with the proper equipment will use a pin plate mounting system.
Hi Fabryce,

Thanks for the feedback. Is the pin plate system better than the cone mount that most are familiar with? If so, what are the benefits? I cannot picture this pin plate mounting system. Do you happen to have a picture?

Thanks
Rob
 
Old Dec 27, 2006 | 01:34 AM
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The pin plate system is the best way to balance wheels.. Look at it this way instead of a convnetional cone going through the center bore and that being the only thing holding the wheel in place on the balancer.

The pine plate would be on the back side of the wheel and the pins would locate the wheel on the balancer through the lug holes and the cone would snug it down on the balancer shaft..

Its a more secure way of doing it and its much more accurate!
 
Old Dec 27, 2006 | 02:19 AM
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Originally Posted by Fabryce@GMGRacing
The pin plate system is the best way to balance wheels.. Look at it this way instead of a convnetional cone going through the center bore and that being the only thing holding the wheel in place on the balancer.

The pine plate would be on the back side of the wheel and the pins would locate the wheel on the balancer through the lug holes and the cone would snug it down on the balancer shaft..

Its a more secure way of doing it and its much more accurate!
Thanks Fabryce!
 
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