Reply to "15x10 and 15x14 backspacing."

panterapattMember

There were 14" wide rear campys for the race GpIV cars. I saw a set. That means they measured 15" wide - outer bead to outer bead

your marking of ET 37.5 is equal to 5.5" backspace on a 13" rim (it is actually -37.5 as they have a negative offset)

The ET 24.5 equals a 6.5" backspace if it applied to the 14" wide wheel. It makes no sense if applied to the 13" rim as they would be way to far inset.

I have a custom set of wheels that are 4.8" backspace (front) and 5.0" backspace (rear) and they are too far inward on GpIV fiberglass flares. They need to be moved our a good 3/4 inch both.

7/31/103:55 PM

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