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Old 10-04-2011, 03:42 AM   #1
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Question biggest tyres for rubicon

It recently came to my attention that the armoured fuel tank in my jk unlimited rubicon is way too low for a vechle that should be able to go anywhere.
What i wanna know is what is the biggest size tyre that i can fit under my jku rubi with a 2" lift without rubbing, re gearing, and taking into account theelectronic disconnecting sway bar. Also i'd like to keep my waranty.

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Old 10-04-2011, 03:59 AM   #2
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the metric equivalant to 34's... Maybe 35's but Im a fan of leaving some room for flex. on a side note I get a kick of tires being spelled tyres. Always know where in the someone is from when I see "tyres"

315/70/17 = 34.5/12.5/17

That is the size I would look for. My guess is 35's should work and you can get 35x12.5/17's without having to deal with tire conversion equations as in manny cases they are listed in standard for 35's with the 17in rim. But as I said already I would lean twoards a 34 just to give you a bit more room for flex. Now to rims, for a 12.5in wide tire you will need aftermarket rims with 3.75-4.5in back spacing or 1.25in wheel spacers from spidertrax but those are not recomended however people do use them

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Old 10-04-2011, 05:13 AM   #3
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Sounds like 34's are the go for flexin. & as you stated XJ, spacers are not ideal.
Do you reckon there is a mud tyre made for the stock 17" Ruby rims that comes in a width that won't rub on the chasy(how the hell do i spell it anyway) I think it's 7.5" or 10.5"? Please pardon my ignorance i'm workin away from home atm so i can't exactly duck out and Read my tyres. What i do know is that i'm currently running good year wranglers silent armour all terrains that measure about 31.5" and apart from cloggin up at the first sign of real mud are tuff as nails and allow plenty of room for flex.
Any advice on that info?
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Old 10-04-2011, 04:19 PM   #4
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Stock JK Moab rim should be 17x7.5 or 8 with 6.5in of bs. On the stock JK moab rim you'll only be able to go up to a 10.5in wide tire without rubing. Unfortuanatly the only tire I know that comes in a 34x10.5 for a 17in rim is the super swamper ltb's.. and those tires are not friendly on road tires. Bad in snow and just generally wet roads. anything over a 33 typically leads to the desrie for regearing. perhaps there is a metric equivalant tire for a 17in rim that comes out to being around a 33x10.5. If that tire can be found and you like it then you wouldn't have to get new rims or be super tempted to regear.. I'll see if there is anything out there for ya in metric sizes that come close to a 33x10.5 and post em up for ya.. I'm guessing you do want either a MT or aggressive AT as the silent armors are just OK for offroad use even though they do have good on road behavior
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Old 03-12-2012, 08:32 PM   #5
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I'm gunna hit up either the maxxis bighorns or mt 76something gotta get snorkel and spotlights fitted first but the metric 33's are out there.
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Old 04-13-2012, 11:24 PM   #6
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Well the snorkel and spotties are on. I've spoken to a few mates and tyre joints and basically i've been told to just get more agressive rubber but stick to the same size tyre. So maxxis big horns are gunna be the rubber of choice. I'll let you know how they go. I think the "run it stock for a bit longer to find out how good this jeep really is" idea will be the go.
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Old 04-14-2012, 12:18 AM   #7
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Thats a nice tire. Post pics when you get them mounted
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Old 10-15-2012, 10:43 AM   #8
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photo

Quote:
Originally Posted by Bushmaster View Post
It recently came to my attention that the armoured fuel tank in my jk unlimited rubicon is way too low for a vechle that should be able to go anywhere.
What i wanna know is what is the biggest size tyre that i can fit under my jku rubi with a 2" lift without rubbing, re gearing, and taking into account theelectronic disconnecting sway bar. Also i'd like to keep my waranty.
Hello mate
I have a wrangler 2012 and I am planing to lift it 2" also and keep the original tires for a while since they are new. I just want to know how it looks with the lift and the original size of tires, Do you have any photo that you can post here???
Thanks
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Old 10-21-2012, 04:58 PM   #9
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Here it is with mopar 2" lift and stock tyres.

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Here it is with maxxis bighorns 285/70/R17


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Old 10-22-2012, 10:35 AM   #10
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Looks very nice mate
Thanks for the post
How the ride on normal road is? do you feel much more unstable the car?

I am planing to install OME suspension, 2 inch lifting. I really don't not want to sacrifice comfort and stability since this is the car that I use everyday and I travel a lot in Australia and you know how far are the distance in this country
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Old 03-20-2013, 04:44 AM   #11
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If I was to do it all again I'd go for an aggressive all terrain like the cooper ST MAX.
I have found that these tyres are a bit noisier and get to me a little bit on the long drives (10 to 18 hrs) a bit more than the piss weak stock all terrains on the highway but they will get me out of any bog hole I enter as long as the diffs don't bottom out however with the taller tyres that happens less too and as an added bonus the speedo is now accurate.

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