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Old 10-14-2011, 03:22 PM
thefatkid thefatkid is offline
Join Date: Mar 2006
Location: Denver
Posts: 214

Yes, back spacing might be the same..... The 80 rim is 8" wide instead of 7". This extra width, with the same backspacing, is outside of the wheel mount surface. Because you push the outer tire seat 1" further out it pulls the tire further to the outside/away from the upper control arm. This is why some wheel people talk in offset rather then backspacing.
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