Tire Sizes

[brownbm]

I have a 78 Bronco with no lift, everything is stock as far as I know. I am wanting to know what the biggest tires I cant put on it without the tires rubbing or effecting the steering

 

[Ol' Blue]

I have a 78 Bronco with no lift, everything is stock as far as I know. I am wanting to know what the biggest tires I cant put on it without the tires rubbing or effecting the steering

32x11.5 or 33x10.5

on my stock '78 im running 33x12.5 but i can't bury the tires that well in the back they rub a little when its all flexed out. They also do not effect steering