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Old 2005-02-02, 02:44 PM   #25
Kevin M
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Join Date: Sep 2003
Location: Reno
Posts: 9,445
 
Car: '93/'01 GF6, mostly red
Class: 19 FP
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Quote:
Originally Posted by Dean
Quote:
Originally Posted by JC
Quote:
Originally Posted by sperry
It's not so much an issue with the diameter, it's the width... most people will end up running a slightly larger tire when they try to go to 18's, just to keep from having to run 35 series tires. Those will rub on a wagon due to the lack of fender flares. But if you go with a 225/35/18 I think you're in the clear, even on the wagon, but don't take my word for gospel.
Don't forget offset. If you tuck those rims in a little more you are better off until you hit the strut of course.
Good point JC... If you get a 17x7.5 ET 35, you are going to hit the fenders with even a 225... I do not know what the optimal offset for a wagon is for a 245.. I would guess between 48, and 52, but don't know for sure. Definitely something worth searching for on Nasioc, or i-club.
18x7.5" P1s have +53, which is the factory offset. That's the best size for 18s. Most other Subaru fitment 18s are probably +48 like Rotas though, which should still be okay with 225s provided the diameter is no taller than stock.
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