Help (please)just bought 1972 lemans has tire rub front and rear - worst in the front- severe with more than one person in the car, only occasional in the rear (has rear air shocks )Has p27560r15 in rear and p25560r15 in front. Are these tires too large and what will work I have two p22560r15 i could put in front and move the p25560r15s to the rear? The tires are on aluminum mags 15 by 7? let help would be appreciated thanks.