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Old 02-01-2010, 02:45 PM
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Default tires question...?

whats the widest rear tire I can run on a 17x9.5? looking to get rid of my 18's for 17's.
Old 02-01-2010, 03:22 PM
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Anything's possible really, it all depends on how far you want the tire to bow out. I run 275s on my 9.5s because I like the sidewall flush but I'm sure you can fit a 295 with no problem.
Old 02-01-2010, 03:31 PM
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i was thinking more along the lines of a 315, and so dr's and dd them instead of expensive *** 18's
Old 02-01-2010, 03:38 PM
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Ive done 315s multiple times on my stock 17s
Old 02-01-2010, 04:11 PM
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I've had 315's on my C4 wheels (9.5" wide) and on my stock SS wheels (9"wide), no prob, although they rubbed a bit with the C4s.
Old 02-01-2010, 04:37 PM
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355/35/17 haha
Old 02-01-2010, 04:46 PM
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Originally Posted by philsblwnz28
355/35/17 haha
Nice...got pics?
Old 02-01-2010, 05:54 PM
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There is people on here that have run 315's and there are a hand full of people 335's. According to tire places a 295 would be the limit. If you would want to run a wider tire spend a few bucks and wider rear rims. It may safe a lot of money in the long run from accident. If you want more traction go to a drag radial like a nitto 555R street use is great and traction is better than a street tire. Plus it has a full tread design to avoid hyrdoplaining. But that is my 2cents
Old 02-01-2010, 09:27 PM
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do not run. a 315 on a 9.5 rim. i know every one says they do it but to each there own. widest i would go is a small 275.like sumitomo. you can get some 10.5 or 11 inch rims cheap here online.
Old 02-01-2010, 09:55 PM
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Having been involved with tire design & research for 28 years, I would say a 285 is the largest section width you should use on a wheel which is 9.5" wide. As stated above, you could shove just about anything onto the wheel, but would it perform as you want? I can also say that the 315 on a 9.5" wheel would not perform up to its potential. It would perform OK but thats about it. The shoulders of the tire would not have the contact pressure that they should have.
Old 02-01-2010, 10:19 PM
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You can run a 315 tire on a 9.5, but the tire is really too wide for the rim, and pulls the bead in, tapering the sidewall and "rolling" the contact patch of the tire. So while the answer is yes they will fit, you no longer technically have a 315 tire, as the edges of the contact patch are pulled away from the road.

Assuming you want DRs, either run a 275 (the MTs are lethal) or get 17x11s.
Old 02-01-2010, 11:11 PM
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i love my 285's. great size.

you can run a 315 no problem, just as stated before you wont actually have a 315.
Old 02-02-2010, 11:46 AM
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oh well thanks everyone for your 2 cents but i decided to stay with 18's so if you know of anyome that wants a set of painted black c5 z06 wheels in ok condition 17x9.5 18x10.5 for the set$200 and for $350 ill throw in month old 295/35/18 kdw2's for the rears, im keeping my fronts, would be looking for some 18in et streets so if you have them lmk
Old 02-04-2010, 10:16 AM
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I have 285 nittos on the back of my ss and i have no problems at all the widest ive heared people going was between 275 and 285. Id say get a good set od 275 drs like a mickey or nitto



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