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I am thinking again and what a dangerous thing this is. Compareing the obs wheels -6.5 - circle and the sd wheels 170.0 mm circle. 6.5 inch = 165.1 mm. 170. mm = 6.6929133858 inch.. If I do the math I think this means the 170 is .0254 or 30 thousanths larger than 6.5. Am I thinking correctly that If using a milling maching, I can move the center of the lug hole .015 to the outside and not increase the diameter of stud (just remove material in the one direction). H as anyone considered this? Is it possible and will it work. I guess I need some other opinions on this. ???????????? Can this produce a universal wheel that will work on both patterns. I wonder if this will solve a lio of problems for a lot of people?
 

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Unless you are looking at used wheels there is no reason to machine out wheels. And with the added cost of machining the wheels, you might as well buy new wheels.

And your math is wrong

6.5"= 165.1mm
170mm= 6.69"

6.69-6.5= 0.19" which is the difference between the two, not 0.0254
 
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