I did it!! 325's on the rear of the 65 dart(barely)

Gonna look great! Personally I like 18 inch rims, and have 18x 8.5 Mustang GT rims on my 65 Dart. Stock wheelwells, 255 x 50 18 rear 225 x 40 18 front. Gets tight up front with 6.7 back space but it clears.