What is the largest wheel's I can put on a 1974 dodge dart 360 sport

QuickDart360 said

What rear does the Demon have? I read that the dart sport you had before was an 8 1/4 rear which is narrower than a 8 3/4.

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The Demon has a 8 1/4 also, complete drive train is from a 73 340 duster. I wish I had kept the 15x10's for the Demon, they work well with the 8 1/4's.