Widest tire on 8 3/4 rearend - 1972 Dodge Dart Swinger

Man that's a nice Dart. Twin of mine. I too was wondering what's the largest tire I can fit in my car without cutting any metal. What size are you running on the front? My car has 14's now. I was looking at those coker wheels. Same style. What brand are your wheels? Also what brand are your exhaust tips. My car has 3 inch turndowns that I want to cut off and put the chome tips on. That's exactly the look I want for my car.

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I'm sorry for missing this whole thread. My rears are Wheel Vintiques 15x7 with a 4.25" backspace. I mounted 255-60/15 BFG's with no trimming or rubbing. My rear springs have a extra leaf added and I would say they are at least 1" over stock. The fronts are the stock type 14x6 Vintiques with 205-70/14 BFG's. The exhaust tips are stock 340 tips. I believe you can get reproductions now days.