Continuing to ride on the 100 inches wheelbase, the American's new styling was more square (sometimes described as "breadbox" ) instead of the round "roly-poly" shape (or "bathtub"), and the visual connection with the original 1950 Nash model had finally disappeared along with the last of the engineering compromises required to accommodate George Mason's favored skirted front wheels as the new skin, designed from the outset with open wheelarches in mind, reduced overall width a full three inches. ''