Wheel Weights
Thread Starter
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 25
From: Austin Texas
Wheel Weights
We need a Wheel supplier/Vendor to weigh various wheels on one scale instead of the scattered weights reported over the 5 years I've been on the Forum. Everybody seems to report a different weight for the same wheel, maybe because they are using bathroom scales. For some reason wheel weights are a BIG secret, no manufacturer publishes weight and when you ask they can't tell you any thing other than "Oh yeh, that wheel should be xx pounds lighter than stock".
Some Vendor must have access to various styles and sizes AND an accurate scale.
Maybe start a thread with the wheels you have in stock and update (edit) as you get different styles and sizes? Should be simple enough; A table with wheel description/size/weight. No balance weights, no TPM, no tires.
Example;
18"X8.5"X56mm 5 Star GM Silver painted = xx.xx pounds.
19"X10.0"X79mm 5 star GM Polished = xx.xx pounds
etc.
Some Vendor must have access to various styles and sizes AND an accurate scale.
Maybe start a thread with the wheels you have in stock and update (edit) as you get different styles and sizes? Should be simple enough; A table with wheel description/size/weight. No balance weights, no TPM, no tires.
Example;
18"X8.5"X56mm 5 Star GM Silver painted = xx.xx pounds.
19"X10.0"X79mm 5 star GM Polished = xx.xx pounds
etc.
CF Senior Member
Joined: Feb 2006
Posts: 23,313
Likes: 25
From: Tucson Arizona
Certainly each wheel manufacturer/vendor should publish the approximate weight of each style/size wheel with 'reasonable' accuracy. Obviously, they won't be able to use the same "one" scale but you'd think they'd all have access to an accurate scale...maybe a scale officially certified (as accurate) by their State Department of Weights and Measures.
I think CCW publishes the approximate weight of each wheel they sell with a caveat that the weight can vary depending on the offset. You'd think all wheel makers/vendors would do this.
I think CCW publishes the approximate weight of each wheel they sell with a caveat that the weight can vary depending on the offset. You'd think all wheel makers/vendors would do this.
Race Director
Joined: Sep 2007
Posts: 16,557
Likes: 2,104
From: Peoria/Phoenix AZ
C6 of Year Finalist (performance mods) 2019
I have found as much as .4 pounds variation on OEM wheels from the same car using a certified scale calibrated in .2 pound increments. That means it was more than .2# and less than .6# difference.
If there is that much variation on assumedly tighter quality controlled GM wheels, then I'd suspect even larger differences were likely between identical aftermarket wheels.
I've also spotted more than 1 full pound differences in identical tires.
I match light to heavy on my racing tires/wheels to get as close to the same total for each. The wheels are checked for cracks, straightness, runout, and balance each time tires are changed. I also skuff the tires to remove the "skin" during the first heat cycle before the final balance.
I have no method to quantify the results of the extra effort, but for the few minutes of my time I believe it's worth it.
If there is that much variation on assumedly tighter quality controlled GM wheels, then I'd suspect even larger differences were likely between identical aftermarket wheels.
I've also spotted more than 1 full pound differences in identical tires.
I match light to heavy on my racing tires/wheels to get as close to the same total for each. The wheels are checked for cracks, straightness, runout, and balance each time tires are changed. I also skuff the tires to remove the "skin" during the first heat cycle before the final balance.
I have no method to quantify the results of the extra effort, but for the few minutes of my time I believe it's worth it.
Racer
Joined: Feb 2006
Posts: 460
Likes: 0
From: MN
Thread Starter
Race Director
Joined: Mar 2005
Posts: 10,399
Likes: 25
From: Austin Texas
Almost unusable for C6, the only wheel they list for '05 and up Corvette is an 18"X8.5" polished for $402.50 each and THEY DON'T GIVE THE WEIGHT.
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