15x10's

[leegreen]

10" rim on a '54 seems pretty optimistic, they did not allow that much room between frame and fender back then. 215s or 235s on 7 inch rims would be more typical. Depending on ride height I bet even with 235s you have to jack the rear axle down for more droop to get the tire on.

With a narrow axle like from a S10 you would need less backspace. Something like a camaro would be closer to '54 stock width. Narrow axle and low backspace may make tire change easier, but it is harder on axles and bearings as noted.

Unless you are planning on moving frame rails, building wider fenders or both, I'd defer buying rims and tires until you have the car in your possession