Quote:
Originally Posted by theunchosen
I'm going to gamble not much larger, although expanding 1 inch only brings you a .5 inch closer to rubbing.
Looking at the 12"s it looks like maybe an inch and a half between the bottom lip(at the bottom corner of the door) so you could go up at least 2 inches to 14 for sure no problems probably even 15, but then I would get a little worried about rubbing after going over large potholes(or bridge junctions). Also the bigger your tires are the more expensive by a good bit. I upped one size on my del sol for the same price tire and slightly better gear ratios(13-14, although they will easily fit 17s the tires are massively expensive(120+ each and they don't last very long at all.))
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The problem is that there isn't a 15" size readily available that matches his tire diameter even closely...
145mm tread patch, 80% sidewall, then 12 inches between...
Going to a 13" tire, I'm positive that Civic tires would fit... they're 175mm tread, so they're 30mm wider, and 70% sidewall, on a 13" rim.
This raises the overall diameter of the tire to 22.6 inches, opposed to 21.1 for the 12" tires. A net gain of 1.5 inches.
You could also get 155/80R13, which would give you a tire that is only 10mm wider, but 1.7 inches taller.
BTW - you can get 205/40ZR17 tires for about $35 online... google "Wanli tire"