I know I can run 7.50-16 on the rear of my 3/4 but can I run this size on the front as well? How much taller is the 7.50-16 vs. the 6.50-16? Also, if I run the 7.50s on the '42 with stock crash box 4 speed and rear end, what max highway speed am I looking at???? at least 45 mph? Thanks
Chris