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Old 05-27-2013, 07:42 AM   #1
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Educate a Mall Crawler

I'm looking to go with bigger tires and even after reading the stickie post about tires, I'm still not sure if what I want to do is possible. First off, I never go off road on anything that I wouldn't do in a car ( such as a dirt road or parking lot). I'm waiting to go with 285/75's on my stock rims. I've already gotten 1.25" wheel spacers as I want to use the stock rims. Question is: can I run this set up without a lift?

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Old 05-27-2013, 08:18 AM   #2
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I would say yes but.....

You will experience rubbing when turning and will more than likely have some rubbing under suspension flex although not sure how much.

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Old 05-27-2013, 08:23 AM   #3
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You can pick up a budget boost for a few hundred and gain an inch or two for fitment of 33's.
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Old 05-27-2013, 08:38 AM   #4
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If I already have 32's, why would I need an inch or two to go up one inch? Btw, the 285/75's are 34's and I'm primarily wanting to fill the wheel wells as there seems like there's too much space between the top of the tire and the well. I figured 34's would only reduce the space 1".

Would the spacers move the tires out enough to avoid steering rub?
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Old 05-27-2013, 08:46 AM   #5
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Quote:
Originally Posted by MCortesesq View Post
If I already have 32's, why would I need an inch or two to go up one inch? Btw, the 285/75's are 34's and I'm primarily wanting to fill the wheel wells as there seems like there's too much space between the top of the tire and the well. I figured 34's would only reduce the space 1".

Would the spacers move the tires out enough to avoid steering rub?
285s are not 34s. 315s are 34s.
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Old 05-27-2013, 08:47 AM   #6
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I think you'll be fine, the height isn't enough to rub if you truly never go offroad. If its going to rub it will be on the sway bar and your spacers should resolve that issue.
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Old 05-27-2013, 08:48 AM   #7
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You would need the clearance so you don't rub, bud.

Do you rub at all right now when you go wheelin on curbs and whatnot?
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Old 05-27-2013, 08:50 AM   #8
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285s are not 34s. 315s are 34s.[/QUOTE]

You have to look at the profile number as well. 285/75 on a 17 wheel is 33.83 inches.
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Old 05-27-2013, 08:57 AM   #9
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The most common 285's are 285/75/16, 285/70/17, and 285/65/18. I think that's what jack was referring to. Most 285's are "33's" that measure out to about 32.5"
Correcto lol if i were you the price difference isn't to much so go with the 315s
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Old 05-27-2013, 08:58 AM   #10
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You have to look at the profile number as well. 285/75 on a 17 wheel is 33.83 inches.[/QUOTE]

The most common 285's are 285/75/16, 285/70/17, and 285/65/18. I think that's what jack was referring to. Most 285's are "33's" that measure out to about 32.5"[/QUOTE]

Ah, that makes sense. I was just looking at the op's numbers. Thanks
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Old 05-27-2013, 10:37 AM   #11
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Yes, 285/70 is a 33 which is why I was looking at the 285/75. I want to use the stock rims. Can I safely fit a 315 on the stock rim? I thought a 285 was as wide as I could go.
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Old 05-27-2013, 10:55 AM   #12
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My thoughts would be to stick with the 285 on a stock rim. Then I would go with the Teraflex leveling kit, which will give you just a touch of lift and look really good with the 33's. I have a similar setup (33's and leveling kit) on my JK and I've very happy with the looks and the ride.
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Old 05-27-2013, 10:57 AM   #13
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Quote:
Originally Posted by MCortesesq View Post
Yes, 285/70 is a 33 which is why I was looking at the 285/75. I want to use the stock rims. Can I safely fit a 315 on the stock rim? I thought a 285 was as wide as I could go.
Once again it depends on rim size. 285/75 on a 15" rim would be very little. On a 24" rim it'd be huge. Are you talking 16's, 17's or 18's. all of those come stock on wranglers

A 315 fit on the rim. The rim width isn't the problem. The wheel will sit too close to the frame tho. It's a back spacing problem You'd want wheel spacers to do it on stock wheels.

I'd spring the extra cash for few wheels and sell the old or to buy spacers. 315's just look so much better

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