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Old 02-18-2009, 10:33 PM   #1
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15 x 10 inch cragar wheel

Can I run a 15 x 10 inch cragar wheel on my TJ? I've got a 4 inch suspension lift. Preciate it.

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Old 02-18-2009, 10:52 PM   #2
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You can but what I have found out from the guys here is if you run a 10in rim and a 12.50 tire you can not air them down as much without risking them un-beading. I got answers of if your going to run 12.50 tires then run a 8 inch rim and you can air the tires down more without risking as much to a tire un-beading. If I am wrong PLEASE correct me but that is what I found out. If your running a 15in wide tire then 10 would be your only shot! Those would be monsters.

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Old 02-19-2009, 12:09 AM   #3
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What tire size? Mainly the width of the tire?
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Old 02-19-2009, 10:17 PM   #4
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33 x 12.5 inch tire. I won't be doing any rock crawling and no need to be airing down my tire. Just an occasional offroad session. The guy at discount tire told me I shouldn't run a 33x12.5 inch tire on a 15 x 10 rim on a jeep because it may stick out too far???........I've got 31x10.5 on now and just want to get the 33's on. Any pictures you guys could include with your jeeps riding 33's on a 15x8 or 15x10 and any more info you could give me on wear and tear with each would be great. Thanks!!!!
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Old 02-19-2009, 10:28 PM   #5
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I have 15 x 10 wheels and 33 x 12.50 tires. Here are some pics. I will say that I agree with the above posters that you cannot air down these tires as much but if you are only doing the occasional wheelin you should be fine!
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Old 02-20-2009, 12:41 PM   #6
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I have 15 x 10 wheels and 33 x 12.50 tires. Here are some pics. I will say that I agree with the above posters that you cannot air down these tires as much but if you are only doing the occasional wheelin you should be fine!
hey i wanted to know the same thing.. i got the Stock wheels.. i think 15X10.. i wanted to put 33" m/t's on them.. will that be fine? can i still drive to work on them? and then hit the dunes in the desert?
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Old 02-20-2009, 01:10 PM   #7
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Yeah, it will be fine! Drivng to work or off roading is fine but you cannot air them down as mich or they will lose the bead.
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Old 02-20-2009, 02:37 PM   #8
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I ran 35x12.50's on 10" rims, no issues. The theory is that on a 8" rim the side walls of the tire will have more force at the same psi and therefore hold the tire better on the rim vs being spread and not have the same sidewall force on a 10" rim at the same pressure. Of course the other side of this is: we air down to get a wider contact patch for traction.

If the tire is already wider in part to the rim size, then in theory you don't have to air down as much for the same contact patch. There are other factors to consider but that is the root of this debate.
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Old 02-20-2009, 03:58 PM   #9
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The guy at discount tire told me I shouldn't run a 33x12.5 inch tire on a 15 x 10 rim on a jeep because it may stick out too far???........

You can do whatever you want. I am sure he was implying that he does not prefer the look of that setup on a jeep. You will be find however driving around.
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Old 02-20-2009, 06:04 PM   #10
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cooool thats the most thing that was bugging me for the last month.. cuz i was told by a tire dealer the same thing.. but now yepeee ! hehehe
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Old 02-20-2009, 06:26 PM   #11
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33x12.50x15 on a 15x8" rim...............as ordered.........


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Old 02-20-2009, 06:48 PM   #12
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Go with 15x8 and don't worry about anything. Tires will be less likely to rub, the tires can better protect a 15x8 wheel from damage than a 15x10 wheel can, and if you start offroading more, the narrower 15x8 width can hang onto aired-down tires far more easily.
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Old 02-20-2009, 08:28 PM   #13
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keep in mind some states require fender / tire coverage

iowa is one of them

33x12.50 on 10 's
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Old 03-03-2011, 08:45 AM   #14
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ok so here's my situation: I hope someone can help. I am very ignorant when it comes to wheels and backspacing. and YES I read stickies and older posts. I'm just not getting a sure-fire 100% answer.

I got a car dealer to add brand new 31" Goodyear duratracs and to put them on Cragar Soft 8s.

I did not specify which tire for him to order. aka 31x12.5x? or 31x10.5x?
I also didn't specify what wheel for him to order. aka 15x8 or 15x10

My plan is this- I want to run the 31s on the Cragars for a few months while I Save for my lift and 33x12.5's. Once I get the 33s I want to mount them onto the Cragars and then sell my 31s to recoup some of the money I spent.

So my question is. What size tire should I get now and what size wheel should I request so that I can, down the line, replace the tires to 33x12.5 with AS LITTLE TIRE STICKING OUT AS POSSIBLE.

I don't really like the look of the tires that stick out far past the fenders. I know I can buy wider flares but like is said, I'd like them to stick out as little as possible if any.

The lift I plan on getting is a 3.25-3.5

Mostly daily driver with entry level off roading.

The rig has a Dana 44 and is stock gearing at 3.73. I know- i know.

thanks in advance for any and all help!
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Old 03-03-2011, 09:18 AM   #15
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Avoid the 15x10, go with 15x8 with 4.5" of backspacing so the wheels will be tucked into your wheelwells as much as possible. That much backspacing will require you install a flat washer or two underneath both steering stop bolts to prevent a little minor tire rub when the steering wheel is turned all the way to the left or right. That will take 2 minutes and 20 cents worth of washers.

Here's how... Jeep Steer Stop Adjustment
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Old 03-03-2011, 09:20 AM   #16
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couldn't have had a better person respond lol

and thanks for the quick response.

so if I go with the 15x8 with 4.5 of backspacing which size tire should I get? 31x10.5 or 31x12.5? later on I want to run the 33x12.5

adding the washers looks easy as pie
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Old 03-03-2011, 09:26 AM   #17
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31x10.50. I don't think you'll find many (any?) 31x12.50 tires. Plan to regear when you get to the 33's.
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Old 03-03-2011, 09:39 AM   #18
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31x10.50. I don't think you'll find many (any?) 31x12.50 tires. Plan to regear when you get to the 33's.

"The lift I plan on getting is a 3.25-3.5

Mostly daily driver with entry level off roading.

The rig has a Dana 44 and is stock gearing at 3.73. I know- i know.

thanks in advance for any and all help! "



And givin' the situation I should be aiming to 4.10 or 4.56? Auto

I better lookup my Illinois laws about tires and fenders.

Like I said, I'm just not a fan of how it looks on rigs with small lifts and 33s
IMO
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Old 03-03-2011, 09:46 AM   #19
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And givin' the situation I should be aiming to 4.10 or 4.56? Auto
Which auto, the 3-speed or 4-speed? 2003 and newer is the 4-speed. With the 3-speed, 4.10 is appropriate for 33" tires. For the 4-speed, you need to go all the way to 4.88 (yes, 4.88) due to the 4-speed's extremely steep overdrive gear ratio.
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Old 03-03-2011, 09:53 AM   #20
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It is a 2003 Sport Automatic.

4.88! Yowsas in the trousas!

Now Jerry, I don't plan on it- who really does.... - but would 4.88 then be okay if I wanted to put 35s on it at any point? or is that 5.10?

Strictly gearing-wise.I know there are other things you have to do for 35s.
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Old 03-03-2011, 10:03 AM   #21
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I am not happy about it but I am running 4.88 with my 35" tires and 4-speed automatic. 5.38 would have been my preferred choice if I had geared them but I bought my present Jeep used and it came with 4.88 gears. It's ok though, just not optimal.

And for a non-Rubicon, 4.88 is as low as the axles can be geared anyway. The Dana 30 axle up front can only go as deep as 4.88.
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Old 03-03-2011, 11:48 AM   #22
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Originally Posted by Jerry Bransford View Post
Avoid the 15x10, go with 15x8 with 4.5" of backspacing so the wheels will be tucked into your wheelwells as much as possible. That much backspacing will require you install a flat washer or two underneath both steering stop bolts to prevent a little minor tire rub when the steering wheel is turned all the way to the left or right. That will take 2 minutes and 20 cents worth of washers.

Here's how... Jeep Steer Stop Adjustment
x2 i am currently running a 15x10 4"BS and they stick out past my 6" BW pocket flares. So definitely go with the above set up from jerry.

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