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Old 07-01-2010, 11:05 PM
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dgs dgs is offline
Join Date: Feb 13 2003
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I'm running 17" x 8" all around with 235/55R17 tires. My wheels are zero offset, meaning that the mounting surface is right in the middle of the wheel width. Rusty's, and most modern cars (like the Mustang his wheels were made for), have a lot of positive offset (I think), meaning there's more 'depth' on the back side of the wheel. Negative offset is what folks used to refer to as 'reverse' rims, more depth in the from verses the rear.

I think with zero offset and the right tire choice, 20" x 8" is doable in the front. 20" x 10" should work in the rear too, even with the skirts, but I'm not sure what the offset should be. Let the wheel manufacturer determine that so they're on the hook if it's wrong. That's what I did when I bought mine. Boyd Coddington and Discount tire told me what offset I needed and it worked out great.

Here's a couple of shots of my car, more in my gallery (including some before and after shots at at the end comparing the 17" to the old 14"). I'm running stock springs and ride height, would like to lower the nose a bit at some point.

DGS (aka salguod)
1960 Convertible - Raven Black, Red leather
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