Vintique Rallye Wheels

Robj said

Alright. This isn't rocket science but I'm trying to get this right the first time. I've got 1" between my tire and the leaf spring and 2" between the tire and the wheel opening. I measured my stock 5.5" wheels and they have a backspacing of 3.75".
The 7" Vintiques have a backspacing of 4.25".
The way I figure it, the wheel will move .5" closer to the spring and 1" closer to the wheel opening.
Did I calculate that correctly?
Is that enough room to allow for suspension travel and sidewall flex?

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Those are the closest to "perfect" off the shelf 7" wheels you'll find for a '67-'70 Dart. But your calculations only work with the same size tire you have on there now. You will have 1/2" to the spring and 1" at the fender lip. IMHO if you try to put a tire that is as little as 3/4" wider than whatever is on there now you will have tire/spring (or inner fender) interference. Your car sounds exactly like my '69, I had the exact same width/offset wheels, and I could barely get a 235 tire on the back. 245 or 255, no way.