Quote:
Originally Posted by HeelToe
I am currently running 235/40-18 MPSS on 8.5-18-45 Forgestar CF5. No rubbing - zero. Very cozy fit though on the strut side to be sure. I have BMWP springs which lower the car by about 0.5 inches. I also have Dinan camber plates which raise the car by about 0.25. So net lower is about 0.25. Negative 1.5 camber is dialed in. I'd feel confident that with your setup you can make it work.
I have 245/35 on the back with the same wheels. I tried them on the front for fun and they will need a 3 mm spacer to work with no rub on the strut side.
Hope this helps.
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You're 235/40 front 245/35 rear?
On a separate note why is it that so many folks here don't understand basic tire sizing? They only bother to look at width not realizing how profile changes height.
OP I would much rather run 245/35 square with a 2-3mm spacer up front than rim a 235/40 which is 0.6" taller than stock. That alone would be enough to cause running due to being too tall. 245 gives you benefit of more traction up front while maintaining stock height. If I were to upsize, I wouldn't go more than 225/40 which is 1/3" more. It'll provide a more comfortable ride, fill out wheel gap and work well with factory wheel widths. But seeing how you got 8.5" et45, go 245/35 and pick up a spacer from Apex (free s&h).