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Old 07-11-2016, 01:36 AM   #9
Gromit
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Join Date: Jul 2015
Location: Central Coast, CA
Posts: 501
Re: trying to find size on these rims. front or back?

The width is stamped inside on my 1970 15x4-1/2 six lug wheels.

I know this doesn't directly answer your exact question but if you already own the wheels I know a way you could find out in about three minutes..

Use a hook blade like in the attached photo in a regular old $1.99 utility knife and cut around the sidewall about 1-1/2 inches higher than the bead on both sides of the tire. If you spray a little water and keep the blade wet it will cut about 12 inches of the sidewall in two seconds.

From the condition of the outside of the wheel I would expect that the steel on the bead sealing surface would benefit from rust removal and recoating anyway; and once a tire has been on a rusty wheel the rubber surface is usually torn up at the bead and you have slow air leaks.. Also you can check the date code on the tire and if it is ten years that is about the life of the rubber anyway.

The wheel in the photos still has the rivet design or construction - my 1970's are welded so I'm guessing yours are older than 1970 - As you know Original six lug steelies can be valuable if in good condition so my two cents is don't let them rust any further by trying to save the old tire - the weak spot is the bead sealing surface corrosion. I saw a set of four for over $500 recently on Craiglsist.
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