My M/T 275's work really well and are centered in the wheelwell.
I experimented with flipping the front spring hangar to lower it further and both sides of the tire touched rhe inner and outer stock wheel tubs.
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.