within the limitation that the wheel/tire combination must fit completely within the front and rear fender well opening.

Keeping that in mind what size tires could you stuff in an FC, we were thinking about 245/45-16 in the front and 265/45-16 in the rear would be a decent. but Any Different combinations you guys could think of for 400+rwhp. Car will most likely be running Kumhos.

 

https://www.rx7club.com/showpost.php...postcount=2046

I know this doesn't really answer your question, but it does show that you don't need to roll the fronts to get a 245/45/16 in there with the correct wheel and offset.

You'd be best rolling the rears to get a 265/45/16 to fit adequately, though.

 

Yeah, should be doable.
The fronts can roll (and pull) close to an inch.

The rears are harder, since you need to tackle the double-wall thickness.
255's fit back there comfortably, and you're only talking one size wider.


-Ted

 

Thanks Ted comin through with the wheel size info like always.

 

Depending on how much they check the ITE cars the SCCA rule is refering to the part of the tire that touches the ground. And thats not when the tire is rolled over in a turn. Roll your tire through some sand and you'll see a line where the sand gets picked up. Thats the part that has to be covered. If you have the ride height for the wheel to move enough and not hit the fender you can fit a pretty wide tire with no mods.

 

i have 275's in the rear on 9" rim's and they are almost completely within the fender, roling them slightly would put the entirely inside.

 

Mel so You got a 275 in the back. Too Bad I would need to step up to a different rim, but I guess even if I went with 255's at all corners I would need to go with 17s.