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Posted by truckdog62563 [32.178.17.94] on Sunday, September 19, 2010 at 11:24:26 :
In Reply to: Re: Only stamps are on the rings.. posted by Chriscase [63.199.247.183] on Saturday, September 18, 2010 at 09:28:10 :
Partially correct. Agree the GYR is Goodyear.
The "LW" is itself the ring design. Different than an "L".
Probably right that the 20 is the ring size, but beyond that it's hard to say what the numbers mean.
It is a 5° profile rim. It is not a 15° rim. The 15° is the design of tubeless rims first introduced in 1956, and sized in half inch sizes. Like 16.5, 17.5, 19.5 and 22.5.
If you can find any info on the concave side lip it might be Budd part numbers. Also, the date of manufacture would be stamped on the wheel's face side between lug holes. One digit for the month, and two digits somewhere else for year. Stu
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