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Old 03-09-2012, 09:48 AM
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70 Impala back spacing

Ive got a 70 impala and want to put 15x10 wheels in the back. Does anyone what back spacing I will for this size wheel? Thanks guys!

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Old 03-09-2012, 09:08 PM
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Stock offset is zero, so if it came with 15x6, the backspacing is just over 3". But since you're going with 10" width, you'll have to measure to be sure. If you said 8" width, I'd just say go with 4" BS, but its tough to tell depending on how your sheet metal was put together. My 96 Impala is a full 3/4" different left and right. I can stick 3 fingers between the tire and fender on the driver's side, but can barely fit one finger in the passenger side... and that's with factory wheels.

There are also three possible axle widths depending on wagon, HD/police, and regular. The difference in width is only about 3/4" and not an issue with stock donut tires, but it will make a difference with wide wheels.
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