73 dart...B body 8.75...what size wheel/tire

a1972dartswinge said

Ha looks like 72blu was writing up a post about the same time I was tooling around with it. I guess he's right, trying to be precise like I am may not be the best way, because there's always a variation somewhere. So I guess start with grabbing some straight edges and a tape measure and get to it.

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Ma Mopar wasn't the greatest with "fit and finish", lots of variations from car to car.

Plus, as our posts show, it really does depend on which B housing you have. I went with the drum to drum measurements also, as flange to flange doesn't take into account the different width on the brakes, different offset on the axles etc.

Figure out which rear end you have and you can get pretty close. And if you're not stuffing the biggest tire you can in there, that's ok. But if you want to maximize your tire, you really have to measure your car, as it will probably be different than mine. Heck, my Challenger has a touch of tire rub on the passenger side, NOTHING on the driver's side. Set up is exactly the same side to side, so, that tells you the CAR isn't exactly the same side to side.