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tire size question

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Old Sep 22, 2010 | 12:55 PM
  #1  
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Default tire size question

Have a chance at some tires that are 335/35/17 rears and 285/40/17 fronts, do you think these would be OK without any issues and how much wider is the 335 than the 315. Was going to go with 275 and 315 but these others are a great price.
Old Sep 22, 2010 | 05:32 PM
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Default No Way

Joe, selling you my CE wheels is off. You are contemplating in installing tires that are over the legal size rating for them making it illegal and unsafe. I will not be a part of this. 315 and 335 in tires require 11 in wheels. Ask Tire Rack. You need more info or at least better info before you cause some serious damage.

Olcrusty said that.
Old Sep 22, 2010 | 06:21 PM
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335 won't fit anyway, plus they are supposed to go on 12" rims.
Old Sep 22, 2010 | 06:50 PM
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Originally Posted by olcrusty
Joe, selling you my CE wheels is off. You are contemplating in installing tires that are over the legal size rating for them making it illegal and unsafe. I will not be a part of this. 315 and 335 in tires require 11 in wheels. Ask Tire Rack. You need more info or at least better info before you cause some serious damage.

Olcrusty said that.
Originally Posted by aminnich
335 won't fit anyway, plus they are supposed to go on 12" rims.


285/40-17 = 9.5" rim

315/35-17 = 11" rim

335/35-17 = 12" recommended rim
Old Sep 22, 2010 | 07:10 PM
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Illegal? I'd love to see a source for that.

I'm assuming we're talking 9.5" CE wheels?

Definitely not the right size wheel for that tire and IF you could find a tire store to mount them they'd probably look and wear like crap but I doubt it's illegal.


Originally Posted by olcrusty
Joe, selling you my CE wheels is off. You are contemplating in installing tires that are over the legal size rating for them making it illegal and unsafe. I will not be a part of this. 315 and 335 in tires require 11 in wheels. Ask Tire Rack. You need more info or at least better info before you cause some serious damage.

Olcrusty said that.
Old Sep 22, 2010 | 07:34 PM
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Originally Posted by joesgulfstream
how much wider is the 335 than the 315. .
335 - 315 = 20.

20 x .03937 - .8" (approx)

There's your metric conversion for the day.
Remember it.

You're welcome .
Old Sep 22, 2010 | 09:30 PM
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The question is are the 285's on 9.5 17's alright for the front and the 335's on 11.5's OK for the rear and how much bigger than 315's. for a 95
Old Sep 22, 2010 | 10:21 PM
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Did you read the posts above ????
Pointless people going to trouble of answering your questions if you are not going to read them

Originally Posted by joesgulfstream
The question is are the 335's on 11.5's OK for the rear
Post #4 and 5

Originally Posted by joesgulfstream
how much bigger than 315's.
Post #6

Last edited by rodj; Sep 22, 2010 at 10:24 PM.
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Old Sep 23, 2010 | 12:22 AM
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Originally Posted by joesgulfstream
The question is are the 285's on 9.5 17's alright for the front and the 335's on 11.5's OK for the rear and how much bigger than 315's. for a 95
The zr1 rims are 17x9.5 and 17x11. 285 goes on some c4's rear 17x9.5 wheels from the factory. You could even go 295 on a 9.5 rim but thats really pushing it. 315 fit ideally on a 11 inch rim, which is what the zr1/grandsport rims are. As far as non drag radial street tires very few companies make 315/35/17(maybe 3). The Goodyears are big. As big as they are, 335 tire is huge, steamroller size. Ideally performance wise you wanna put it on a 13 inch rim(17x13 is viper size rear). Will also fit on a 12 inch rim fine. 335 probably wont even hold air on an 11 inch rim however.

Ya gotta start being REALLY specific about this cause the numbers your using arnt 100% accurate and that makes the difference of them fitting or not fitting.
Old Sep 23, 2010 | 12:30 AM
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the stock 9.5" rear wheels are offset to the inside too close- they will run a nice big arc through the plastic fender liner. You need the ZR-1 or GS offset 11 inch ones.
Old Sep 23, 2010 | 01:05 AM
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My experience with oversized tires on wheel. Last year I tried the experiment of putting Summitomo 315's on my 9.5" wheels. The Summi's have a reputation of being a little smaller in comparison to say Goodyear, there was a pic on a thread that demonstrated this clearly.

I didn't have any real issues with them. They looked pretty decent, didn't slip and nothing bad happened. I did feel that on a relatively hard corner (street driving) that they would flex a little bit. I certainly wouldn't recommend this in any type of competitive driving situation.

The biggest observation came toward the end of their life. The tire wear was concentrated mostly in the center of the tire. The inflation was checked regularly so they weren't over inflated. I believe that the tires were pinched on the rim extending the center. Considering the tread depth on the corners, I would say that this shortened their life substantially. Not only that, but, obviously, I was not getting the full tire on the road. This means that the extra width did me no good whatever in terms of handling, in fact I probably had less tread on the road than the 275's I have on there now.

So, I imagine the same scenario would play for a 335 on an 11" wheel. While you may get these at a great price, their lifespan will probably be shorteras well as less effective. Now, if you don't drive her alot (mine is a DD) and you don't stretch her legs much, you'll probably be okay. My only other concern with 335 would be how is it going to fit in the wheel well? The 315 almost sticks out, and this with the smaller Summi's on a 9.5 wheel. I would imagine the 335 would extend beyond the well a touch. If you're okay with that, go for it.
Old Sep 23, 2010 | 11:18 AM
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I haven't installed my 335's yet so I don't know how far they will stick out.
Doesn't matter since they are race tires and won't see any street use.
Old Sep 23, 2010 | 11:47 AM
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