I found a set of Mercedes 17" wheels to replace my crossfire 18 & 19's .. right now front are 225-40x18 25.1 tall ,,rear 155-35 x 19 26.0 tall so if i put on the front 245-45 x17 25.7 tall and rear 255-45 x 17 , 26.o tall and both the 17 and 19 are 10" wide, what do you think.. jim