I have a 68 with factory 12 bolt with 17x9.5 with 5.5" BS and 255-45-17's and every now and then I hit a dip or bump in the road they rub the inside of the wheel wells I am maxed out on size,and probably mini-tubbing down the road.Its best to do a lot of research before you spend big bucks on wheels and tires. Good luck
Kevin
