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Brakes & Suspension Forum sponsored by The Tire Rack |
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10-10-2001, 05:12 PM | #1 |
Scooby Specialist
Member#: 2575
Join Date: Oct 2000
Chapter/Region:
South East
Location: Winter Park, Florida
Vehicle:2008 Forester 2.5X Dark Gray Metallic |
Best kind of tire balances?
There is a patch balance that sticks to the tire, the stick-on type that goes on your rim where you can't see it, and the regular type balance that clips on to the rim, but you can see it on the outside of the tire and rim.
Any advantages/disadvantages to any of these types? Or all they all about the same except the ones you can see are kind of ugly?
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10-10-2001, 07:52 PM | #2 |
Scooby Specialist
Member#: 3334
Join Date: Dec 2000
Location: Calgary, Alberta, Canada
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i prefer to have the stick on type because it doesn't scrach your rims. a downside is they can fall off very easily when wet.
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10-10-2001, 07:59 PM | #3 |
Scooby Specialist
Member#: 9026
Join Date: Aug 2001
Location: If I knew, I wouldn't be lost!
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The best are the ones that clip onto the wheel. The shop should be able to balance your wheel/tire by using weights on the back side only. Just tell them before they start.
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10-10-2001, 08:17 PM | #4 |
Scooby Specialist
Member#: 2575
Join Date: Oct 2000
Chapter/Region:
South East
Location: Winter Park, Florida
Vehicle:2008 Forester 2.5X Dark Gray Metallic |
Thanks for your help! I only recently heard of the third, stick-on type, but the fact they may fall off when wet is something I need to know since we do get quite a bit of rain here occasionally.
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10-10-2001, 08:27 PM | #5 |
Scooby Specialist
Member#: 4063
Join Date: Feb 2001
Chapter/Region:
MWSOC
Location: Michigan
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I use a Hunter GSP9700 balancer at work. It is a force balancer... it uses a Firestone air-bag to apply ~800 pounds of pressure to a drum that rides on the tire before the balance proceude. This detects any irregularities in the tread surface or sidewall weakness. After a quick measurement with the machine of wheel lateral runout, it gives you an ideal wheel/tire relationship for minium unbalance. Mark the tire and wheel, dismount the tire, and remount with the marks lined up. After all this is done, I balanced the wheel using only the inside lip to mount weights. I ended up with 2 wheels that needed no weight, and the other 2 needed less than .75oz(one was .75, the other was .25). It rides smooth as can be... all the way past legal speeds to almost insane speeds This was done on stock MY02 wheels and RE92's. The machine is just too slick. It is really designed to detect non-visable wheel and tire problems and diagnose vibrations. It honestly has about 2 dozen ways to mount weights. It can be set up to use sticky weights, but only put them behind the spokes of the wheel to make them completely invisiable(I did this on a customers SLP Firehawk). In my experiences, if you want to make sure a stick-on weight to remain secure, put duct tape over it. Nasty looking, but perminent. Clip on weights generally remain where they are. If you can find a shop that has one of these machines, they are on top of their game... go with it. You can see it at http://www.hunter.com/pub/product/product.htm
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10-10-2001, 10:06 PM | #6 |
Scooby Newbie
Member#: 8774
Join Date: Jul 2001
Chapter/Region:
SWIC
Location: Phoenix, AZ
Vehicle:1998 Impreza RS Blue |
I use the same hunter machine and it does a fine job. As far as the tape weights go I believe they work fine and doubt if they will fall off if you just clean your wheel properly before sticking them on. I have been doing tire work for about 11 months at Scottsdale Porsche and we only use tape weights, if they are good enough for Porsche I believe they should work for your Subaru.
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10-11-2001, 02:12 AM | #7 |
Scooby Specialist
Member#: 7152
Join Date: Jun 2001
Chapter/Region:
BAIC
Location: Santa Clara, CA
Vehicle:2017 BRZ Charlesite Yellow |
You will also have to consider whether or not the wheel can accept the clip on weights or the stick tape weights. I know that the P1's and P7's do not accept the clip on weights so sometimes you have no choice but to use the tape weight.
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10-11-2001, 12:58 PM | #8 |
*** Banned ***
Member#: 2992
Join Date: Nov 2000
Chapter/Region:
NESIC
Location: Connecticut, USA
Vehicle:02 WRX Sedan Silver |
A Cautionary Tale
When I was preparing to sell my Porsche earlier this year, I had some curb rash on the rear wheels repaired. It was a PITA just to find a tire shop that could even remove the 18" low-profile Pirellis and I wanted stick-on balancing weights used, so I used this page, http://www.gsp9700.com/pub/search/FindGSP9700.cfm, to find a shop with a Hunter GSP9700. I ended up at the Chevy/Caddy dealer in Brewster, NY. It turned out that they were clueless about how to use the machine and stick-on weights. It seems that the only Chevy that comes with stick-ons is the Vette and the dealer didn't have any stick-on weights on the premises. They went to some auto parts store and bought some generic stuff with no indicators to show their weight and tried to charge me extra for it. If I hadn't been about to sell the car, I would have had to take the wheels down to the Fairfield, CT Porsche dealer to have the balancing re-done correctly on their GSP 9700.
Moral. Just because a shop has a great machine, don't assume they know how to use it properly. |
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