will 285/70 or 33x12.50 fit ok on stock 17's. - JeepForum.com
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post #1 of 20 Old 11-09-2010, 09:33 AM Thread Starter
08XUnlimited
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will 285/70 or 33x12.50 fit ok on stock 17's.

I am wanting to put either 285/70 or 33"x12.50 on my stock 17's am I going to have any problems with wear or anything like that?


2.5" Skyjacker, 32" KM's, Smittybilt 8000lbs winch, painted Moabs.
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post #2 of 20 Old 11-09-2010, 10:46 AM
paul84043
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There was a thread on this exact topic just a week or so ago.... I know the search can be clunky, look back a bit and it shouldn't be too far away...
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post #3 of 20 Old 11-09-2010, 10:54 AM Thread Starter
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Quote:
Originally Posted by paul84043 View Post
There was a thread on this exact topic just a week or so ago.... I know the search can be clunky, look back a bit and it shouldn't be too far away...
Ok thanks, yeah I looked for something similar but couldn't find anything.

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post #4 of 20 Old 11-09-2010, 10:56 AM
skivviss
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Originally Posted by 08XUnlimited View Post
I am wanting to put either 285/70 or 33"x12.50 on my stock 17's am I going to have any problems with wear or anything like that?
the stock wheels have something like 6" of backspacing and come with a 10" wide tire.

going to a 12.5" width is going to add up to 1.25" to both the inside and outside width of the tire.

Which means you will have 1.25" of extra rubber pushing into suspension/steering components when you turn.

to correct this, you can add wheel spacers to move the wheel away from the inside of the jeep and restore the stock tire clearance during turns.

alternately, new wheels with 4.5" of backspacing accomplish the same thing.

the FAQ above has a link to a 'Will it rub thread' that goes into more detail and lists common combos.
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post #5 of 20 Old 11-09-2010, 12:08 PM
gsaxe
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well as usual SOMEBODY, has way better technical info and is slightly faster to the punch than I BUT...I have 285/70/17 on stock rims (07 jku s package x) before my ome medium duty lift they rubbed the swaybar, now they don't I have only rubbed the fenders once so far although I am just gettting started.
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post #6 of 20 Old 11-09-2010, 12:12 PM
skivviss
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damn me!

wheeled with gsaxe twice now and never noticed he had the fog lights too.

oh, gsaxe, when are you hacksawing those bumper ends off and capping them for a stock stubby?

it'll make those JKS discos even easier.
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post #7 of 20 Old 11-09-2010, 12:18 PM
merlin4979
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Quote:
Originally Posted by 08XUnlimited View Post
I am wanting to put either 285/70 or 33"x12.50 on my stock 17's am I going to have any problems with wear or anything like that?
On the stock rims, you can put either of those tires on. As some people have already stated, you'll probably have some rubbing on full turn, but that can be taken care of by just adding some 1.5" wheel spacers, such as Spidertrax's, or by adjusting your steering stops. (Check the Project JK web page for the write-up on how to do this).

Many people put up to 35x12.5x17 tires on their stock rims. I've got 295/70/17's on mine, (which are about 33.5x11.5) and with the spacers, I don't get any rubbing.

You'll also just want to do a "chalk test" on your tires to check the correct PSI for wearing evenly.

Good luck, and be sure to post pics when you get your new tires installed!
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post #8 of 20 Old 11-09-2010, 12:26 PM
gsaxe
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oh, gsaxe, when are you hacksawing those bumper ends off and capping them for a stock stubby?
at the same time I install the winch and daylighters I am getting for xmas

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post #9 of 20 Old 11-09-2010, 12:35 PM Thread Starter
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Thanks fellas, I will it'll be a few months before I get them but I will definitely post some up when I get them.

2.5" Skyjacker, 32" KM's, Smittybilt 8000lbs winch, painted Moabs.
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post #10 of 20 Old 11-11-2010, 02:02 PM
RafaelSmith
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I recently put 285/70/17 BFT AT KOs on my '08 stock rims. Had some minor rubbing at extreme....used washer on stops for abit until i got wheel spacers + BB lift.

No issues now and I really like the look now.

Only problem with spacers is finding a non-lame tire shop that will do alignments, rotations and balancing.

2008 Silver JK 2DR X, 4sp auto, 3.73 gears
Rubicon Express 2" Coil Spacer w/Shocks
285/70/17 BFG AT
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post #11 of 20 Old 12-07-2010, 09:45 PM
cosmec
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If I put 33's on aftermarket wheels such as the rugged ridge wheels listed below, would i have to run spacers still to prevent rubbing on full lock?

here are the wheels:
Rugged Ridge 15301.01 - Rugged Ridge 17x9 Wheel in Satin Black Powder Coat for 07-11 Jeep® Wrangler & Wrangler Unlimited JK - Quadratec

thanks
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post #12 of 20 Old 12-08-2010, 02:12 PM
Caribic-TJ
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I just put on 33" BFG KM2 ( 255/80R17), no alignment or steering wheel adjustment/centering had to be done, I used 1" spring spacers on the front to have my Rubicon more leveled. I just wanted higher tires with no need to get wheel spacers and I am very happy with them.

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post #13 of 20 Old 12-08-2010, 02:18 PM
WhiteJK
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Hey Caribic, do you have some pics? I'd like to see how skinny the tires look. I'm contemplating 285/70s or these 255/80s. Thanks
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post #14 of 20 Old 12-08-2010, 02:24 PM
Caribic-TJ
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Quote:
Originally Posted by WhiteJK View Post
Hey Caribic, do you have some pics? I'd like to see how skinny the tires look. I'm contemplating 285/70s or these 255/80s. Thanks
I'll try, I never uploaded any pics here...
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post #15 of 20 Old 12-08-2010, 02:30 PM
Caribic-TJ
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Quote:
Originally Posted by WhiteJK View Post
Hey Caribic, do you have some pics? I'd like to see how skinny the tires look. I'm contemplating 285/70s or these 255/80s. Thanks
Here we go, the yellow Rubicon has still the stock tires.
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