What tire size will work with a 15x8 front wheel?

72bluNblu said

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Barracuda's have wider fenders up front than Dart's do. You'd never clear 245's on 15" rims on a Dart without serious body modification. 245/50/15's on a 15x8" rim with 4.5" of backspace would stick out a full 1/2" further than the 275/35/18's on my Duster (with a demon front end). I don't have an extra 1/8", let alone an extra 1/2".

Plus, your fenders have been modified right? Rolled and pushed out?

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I have a 68 Dart GT conv also. I just don't talk about it much. I've run 225/60/15 on cop rims.

I did run 245/50/15 on 15x8 4.5" backspace rally's briefly. The 245's were really too close. Yes they would rub a little on the top fender brace bolt. But like I said, the thick poly bushing and positive caster helped with front tire clearance. Those are still very short tires. The short tire allowed me to flirt with disaster.

I now have 245/60/15 with 15x 6.5" rally's. BUT I had to push out the front corner of the wheel lips by repositioning the lower fender brace forward of the factory hole on the bottom of the fender. Pushed it out and 1-2".