How big can you go on stock rims - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 15 Old 02-09-2012, 05:10 PM Thread Starter
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How big can you go on stock rims

I've looked and looked and can't figure this out. How big can I go tire wise on stock rims and will it need lift so no rubbing. New to this and want to be economic for now it's also my daily driver.
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post #2 of 15 Old 02-09-2012, 06:00 PM
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Assuming you're talking about the 17's.

With a 1.5" spacer, you can definitely go to 37x12.50-17. I'm doubting you'd fit a 38x14.50 on them. You might be able to get a 40x13.50, but I think that's pushing it, too.


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post #3 of 15 Old 02-09-2012, 06:06 PM
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Originally Posted by jeeperjkj View Post
Assuming you're talking about the 17's.

With a 1.5" spacer, you can definitely go to 37x12.50-17. I'm doubting you'd fit a 38x14.50 on them. You might be able to get a 40x13.50, but I think that's pushing it, too.
Sarcasm ....


Without a lift u will need to aim a little smaller.

Is this thing on?.....

www.4x4s-pod.com
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post #4 of 15 Old 02-09-2012, 06:20 PM
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Sarcasm ....


Without a lift u will need to aim a little smaller.

Is this thing on?.....
Ok, maybe I missed that, but I'm not sure. I just assumed he was lifting it.


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post #5 of 15 Old 02-09-2012, 06:25 PM
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Originally Posted by Rotoman40 View Post
I've looked and looked and can't figure this out. How big can I go tire wise on stock rims and will it need lift so no rubbing. New to this and want to be economic for now it's also my daily driver.
Search tool is you friend sir! Or use that little bar that says "Google". Right up in the right corner.

I put your ? into that google bar and got TONS of threads. Let me know if you cant find anything.

-Scott S.-

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post #6 of 15 Old 02-09-2012, 06:57 PM
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Without mods and spacers you should be able to fit 275/70R17, at 285/70R17 you may start to get rubbing at steering lock and full flex, above that spacers/different wheels, flare mods and/or lifts are starting to come into the picture.


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post #7 of 15 Old 02-09-2012, 07:24 PM Thread Starter
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Should of said I have 18" rims. And I've searched and searched google and have not found answer that explains it to a novice very well. I'm a motorcycle guy so this is all new to me. Will spacers hurt axles at all?
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post #8 of 15 Old 02-09-2012, 07:26 PM
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Spacers are fine so no worries there-do you have a tire/brand in mind?

Is this thing on?.....

www.4x4s-pod.com
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post #9 of 15 Old 02-09-2012, 07:52 PM
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Quote:
Originally Posted by Rotoman40 View Post
Should of said I have 18" rims. And I've searched and searched google and have not found answer that explains it to a novice very well. I'm a motorcycle guy so this is all new to me. Will spacers hurt axles at all?
First question... how big do you WANT to go.

Bottom line, unless you really like your 18's, you're gonna be better off going with a 17" wheel. You can probably get wheels and tires for the price of 18" tires.


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post #10 of 15 Old 02-09-2012, 07:54 PM
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Here you go buddy. There's some discussion for ya.

https://www.jkowners.com/forum/showthread.php?t=2682

I would say a 33" or metric equalvalent size. IMO if you want 12.5" wide ones it would be best to get a spacer, 1-1.5". This is due to the stock JK rims having a numerically large backspaced rim, and some thin width stock tires. Even the Rubicon's tires are thin width. The wider aftermarket tire and larger backspacing will "suck in" the tire closer to the frame rail, control arms ect.

You may be able to find some Rubicon take-offs for a good price on here.

I would say spacers aren't the best to use if possible, they just give you one more thing you need to maintain and check on a regular basis. But I would say they aren't BAD to use.

Just my .02 and .03!

-Scott S.-

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post #11 of 15 Old 02-10-2012, 06:15 AM Thread Starter
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I was only going to go up to 33s to keep wife happy. Because the wife doesn't me to lift to high.
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post #12 of 15 Old 02-10-2012, 06:53 AM
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you can go 35 1250 17 or 325 70r17, spacers, flat flares, trim air dam and no lift or 295 70 r17 stock flares, spacers, trim air dam and no lift..

either way you would have a very nice low center of gravity(LCOG) rig..

get yourself some very aggressive all terrain tires.. like falkens, nitto trail grapplers, gy duratracs.. i say all terrains because it is very hard to have Mud tires "Road Force Balanced"..

hope this helps

Shawn
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post #13 of 15 Old 02-10-2012, 07:00 AM Thread Starter
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It helps a lot thanks
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post #14 of 15 Old 02-10-2012, 07:47 AM
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Quote:
Originally Posted by jeep-n-it View Post
you can go 35 1250 17 or 325 70r17, spacers, flat flares, trim air dam and no lift or 295 70 r17 stock flares, spacers, trim air dam and no lift..

either way you would have a very nice low center of gravity(LCOG) rig..

get yourself some very aggressive all terrain tires.. like falkens, nitto trail grapplers, gy duratracs.. i say all terrains because it is very hard to have Mud tires "Road Force Balanced"..

hope this helps
Quote:
Originally Posted by Rotoman40 View Post
Should of said I have 18" rims. And I've searched and searched google and have not found answer that explains it to a novice very well. I'm a motorcycle guy so this is all new to me. Will spacers hurt axles at all?
Not on 18" wheels, he can't...


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post #15 of 15 Old 02-10-2012, 07:58 AM
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Originally Posted by jeeperjkj View Post
Not on 18" wheels, he can't...
hench the spacers... he will be fine.. the OD is still 35"ish regardless of rim size..

35s wheeled with flat flares all day long

Edit.. so that what 315 65 r18

Shawn

Last edited by jeep-n-it; 02-10-2012 at 08:00 AM.
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