tire questions???

[03MaCh1nE]

i was wondering what is the biggest tire that will go on...on a stock mach 1 rim>???

 

[Mustang5L5]

255/45/17 is a pretty good size for a 17x8 wheel.

Some guys have squeezed 275/40/17's, but depending on the tire and sidewall stiffness, handling can be reduced due to increased sidewall flex in turns. Looks badass though