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Old 11-01-2003, 02:54 PM   #1
Zoso
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2000 Outback & 05 BMW M3

Default How do you know if/when your tires need to be balanced?

I had a new set of tires put on my car recently and I noticed that 3 of the rims had the weights mounted on the outside of the rim and 1 of the rims did not. I called the place that did the install and asked if it was possible it came off while driving or someone just forgot to balance that tire. They said that most likely the tire balanced itself and didn't require the weight. Does this sound right? I don't want to go down there and insist on them putting the tire and rim on that machine while I watch if it's not neccessary.
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Old 11-01-2003, 03:32 PM   #2
tora
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Does it feel out of balance? If that wheel is on the rear try it on the front and you will notice for sure if it is not balanced.
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Old 11-01-2003, 05:32 PM   #3
Need4Boost
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Yes, there are times where the wheel/tire combo ends up being balanced and doesn't require any weights. Sometimes the rim will only require weights on the inside and not the outside or the other way around.

A way of telling is if the car shakes down the highway. You will not noticed this as much if any for loca driving. You could have improper tread wear or you have "runs" (flat spots). A bent rim will also cause the car to shake down the highway.
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Old 11-02-2003, 10:49 PM   #4
Zoso
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The car seems OK on the highway, so I guess that tire really did just balance itself out. Although I did notice slight knicks in the rims where they removed the old weights that were on there and they put the new ones in different locations. Oh, well it's just a car and it won't stay brand new forever. At least the ride on the highway is smooth so no complaints there.
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Old 11-03-2003, 12:23 PM   #5
kenchan
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yah you will feel it in the cabin when the tires are out of
balance, so if its smooth over 60mph, then you're okay.
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Old 11-03-2003, 05:44 PM   #6
IronMonkeyL255
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My set of factory Legacy turbos w/ a set of S-03 PP on them only required like... 1 oz to balance them.
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Old 11-03-2003, 07:53 PM   #7
hillman
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I rarely have my wheels/tires balanced at all any more. I used to, but then I skipped it on a few sets of race tires, wound up driving them on the street, and noticed that they were fine.

So I tried it with a few sets of street tires, and they're fine up to any speed I'll drive. I've heard arguments about how vibrations too small to be felt are certainly tearing up shocks, and so forth, but I remain skeptical... I'll let you know.

IME, and I'm sure I'll get argued with, balancing new tires on decently-made wheels is a waste of money.

If you think about modern manufacturing processes, wouldn't you be surprised to find that they are so inaccurate as to require a stick-on weight, much less three or four scattered about the rim? I would.
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Old 11-03-2003, 08:29 PM   #8
Karl
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Quote:
Originally posted by hillman
I rarely have my wheels/tires balanced at all any more. I used to, but then I skipped it on a few sets of race tires, wound up driving them on the street, and noticed that they were fine.

So I tried it with a few sets of street tires, and they're fine up to any speed I'll drive. I've heard arguments about how vibrations too small to be felt are certainly tearing up shocks, and so forth, but I remain skeptical... I'll let you know.

IME, and I'm sure I'll get argued with, balancing new tires on decently-made wheels is a waste of money.

If you think about modern manufacturing processes, wouldn't you be surprised to find that they are so inaccurate as to require a stick-on weight, much less three or four scattered about the rim? I would.
You rarely have your tires/wheels balanced??
Do you mean you mount your own tires and don't bother balancing them?
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Old 11-04-2003, 12:25 PM   #9
DetroitWRX
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I had Sumitomo HTR+ís on the car and only one of the four needed a weight. Back like ten years ago I could remember getting a lot more weights on the rim like in two three spot around the circumference. In the last five years never more than one weight on the circumference of the wheel and always have one or two wheels that donít need them. I donít know if its cheap tires I bought in the past, better tire making processes now, or different balancing equipment.
Rob
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Old 11-04-2003, 02:05 PM   #10
hillman
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Quote:
Do you mean you mount your own tires and don't bother balancing them?
No, I have a shop mount them, and I frequently tell them to skip the balancing.
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