SS tire size
With new 8"-8.5" wheels, it's proven that you can get 255's in there...sometimes without even rolling the fender....depending on the offset. Corny has 20" Mazzi Klaw's in the 8.5" width, +40 offset (iirc) and 255-series tires. He had to roll the rear fenders slightly.
On a new, wider set of 18" wheels, again depending on the offset, you might be able to squeeze 245's in there.
Only one way to find out, huh?
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