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Old 05-14-2012, 10:35 AM   #181
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Originally Posted by lee indy
Inside or on the top?
Inside

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Old 05-14-2012, 10:37 AM   #182
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There have been reports of even stock tires rubbing the inside of the rear fender when really, really stuffed. So no surprise that you got a little with the larger tires and shallower backspace.

Here is what I consider "really, really stuffed". This is a stock suspension Rubi.

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Old 05-14-2012, 10:41 AM   #183
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Originally Posted by 4fit
There have been reports of even stock tires rubbing the inside of the rear fender when really, really stuffed. So no surprise that you got a little with the larger tires and shallower backspace.

Here is what I consider "really, really stuffed". This is a stock suspension Rubi.
Yup! That's exactly what I did to flexed the suspension! Just got off the phone with David from northrid4x4 and my TF leveling kit and grade8 bolt kit should be here in a couple of days! :-)
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Old 05-14-2012, 01:28 PM   #184
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Originally Posted by Red Belly

Yup! That's exactly what I did to flexed the suspension! Just got off the phone with David from northrid4x4 and my TF leveling kit and grade8 bolt kit should be here in a couple of days! :-)
The leveling kit is a very simple install.
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Old 05-14-2012, 01:35 PM   #185
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The leveling kit is a very simple install.
Thanks! I might hit you up for some more advice when I tackle this task in a couple of days
I shouldn't get anymore rubbing after the TF leveling kit installed, right? I am also changing the stock bolts while I'm at it! What do you think of the Torque wrench quality from Harbor Freight Tools? Any suggestions on where to get a good one?
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Old 05-14-2012, 02:58 PM   #186
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Quote:
Originally Posted by Red Belly

Thanks! I might hit you up for some more advice when I tackle this task in a couple of days
I shouldn't get anymore rubbing after the TF leveling kit installed, right? I am also changing the stock bolts while I'm at it! What do you think of the Torque wrench quality from Harbor Freight Tools? Any suggestions on where to get a good one?
I haven't stuffed my rear tires with the leveling kit, so I can't say that you will never get any rubbing back there once installed. But it would take a good about of articulation to cause it I would imagine.

My torque wrench came from Advance Auto. It wasn't that expensive and has performed perfectly for me thus far.
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Old 05-14-2012, 03:14 PM   #187
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Ok, thanks! I'll post pics after the kit.
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Old 05-17-2012, 09:47 PM   #188
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Originally Posted by 4fit
I would say around 2.5 inches sounds about right. Of course, you aren't really adding that much tire. You are just moving the tire outward with the less backspaced wheel. The actual tire difference from the stock 255 to the 285 is about 1.2" total, so a little more than 1/2 inch on each side of the center line of the wheel.

Here is my 285s on a 4.5" backspaced 16x8.5" wheel.
First of all, thanks again for the info. I purchased 17x9's and 285x70x17 tires. I'm very happy with them. I was concerned that the 11" width would not be enough to even things up between the tire and the flares. But, they worked perfect and look great (see pix). Thanks again.
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Old 05-18-2012, 02:34 PM   #189
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Does anyone have any insight into weather the 33 x 10.50 x 15 will work? Have been looking into this wheel:
Wheel Details - Discount Tire Direct

Love the pizza cutter look - but not sure about this size
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Old 05-18-2012, 02:59 PM   #190
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Originally Posted by pixelmarc
Does anyone have any insight into weather the 33 x 10.50 x 15 will work? Have been looking into this wheel:
Wheel Details - Discount Tire Direct

Love the pizza cutter look - but not sure about this size
That should work with no problem whatsoever. Many people run that whee (which has a 4" backspace) with a 33x12.5, so the 10.5 would be just fine.
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Old 05-18-2012, 08:32 PM   #191
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okay i went out and flexed my coopers. discoed i was actually damn impressed.

i go the very very slightest rub at full tuck but not really enough to worry about. maybe a leveling kit but its along way off

home depot 17.01 for 3 (2 need one extra)




this were taken at the same time no rubbing





----------------------------------------
i repositioned and got some rub on the drivver fender on the lip




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Old 05-19-2012, 09:12 AM   #192
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Nice job on testing and the discos. Been thinking about making a set of those myself. How bad do they rattle? Pretty sure I have the thread bookmarked over at JK-F, but if you have a parts list, please post it up.

Your rear doesn't look fully articulated. I suspect you will get a bit of rubbing inside that rear fender as well. Like you said, the leveling kit should fix that right up whenever you decide to go that route.
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Old 05-19-2012, 09:55 AM   #193
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Quote:
Originally Posted by 4fit View Post
Nice job on testing and the discos. Been thinking about making a set of those myself. How bad do they rattle? Pretty sure I have the thread bookmarked over at JK-F, but if you have a parts list, please post it up.

Your rear doesn't look fully articulated. I suspect you will get a bit of rubbing inside that rear fender as well. Like you said, the leveling kit should fix that right up whenever you decide to go that route.
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Zinc Plated 7/16 in. x 2-1/2 in. Universal Clevis Pin
Model # 88048
Store SKU # 603501
Internet/Catalog SKU 100338612
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Zinc Plated 1/4 in. x 1-1/4 in. Linch Pin
Model # 88158
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Internet/Catalog SKU 202210291
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Yellow Zinc 3/8 in. Grade 8 Flat Washer (3 Pieces)
Model # 02068
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Internet/Catalog SKU 202209494
i didnt notice any rattling but i didnt leave them in long. my plan is to swap out my bolts in the garage before i leave for an event. the bolts are easy to get out just not at a trail head. i did go slam it around a bit to see if they would break and they didnt. you do have to make the hole your going to use for the linch pin a little bigger. not much
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Old 06-01-2012, 06:03 AM   #194
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Will 33x12.5x15 rub on road at all? Even with 4 passengers on a stock jku sport suspension?
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Old 06-01-2012, 08:28 AM   #195
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Originally Posted by FigsJeep978
Will 33x12.5x15 rub on road at all? Even with 4 passengers on a stock jku sport suspension?
Probably not. It'd need a heck of a speedbump.

You'll need new wheels, obviously. And you'll want a lift eventually anyway.
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Old 06-01-2012, 09:36 AM   #196
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Oh yea, forgot to mention i was putting them on MB TKO's. I already want the lift now! Just need to find out how to sneak it past the wife! The tires were easy enough (just told her they weren't good in the snow and it would be a safety issue while I'm driving our 2 month old son around). It would be a hard sell on the lift. I will definitely be getting one, just probably not for a yearish. Wanted to make sure the tires would be fine with 3 adult passengers, the baby, and all the stuff that comes along with the baby
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Old 06-01-2012, 09:54 AM   #197
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Originally Posted by FigsJeep978
Oh yea, forgot to mention i was putting them on MB TKO's. I already want the lift now! Just need to find out how to sneak it past the wife! The tires were easy enough (just told her they weren't good in the snow and it would be a safety issue while I'm driving our 2 month old son around). It would be a hard sell on the lift. I will definitely be getting one, just probably not for a yearish. Wanted to make sure the tires would be fine with 3 adult passengers, the baby, and all the stuff that comes along with the baby
You can try to befriend a local auto shop...My local mechanic offered me to ship my crap to his shop! :-) I'm in trouble now!
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Old 06-01-2012, 10:37 AM   #198
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You can try to befriend a local auto shop...My local mechanic offered me to ship my crap to his shop! :-) I'm in trouble now!

And then just send her somewhere for the weekend with her sister, so me and my brother in law and install it . I like your thinking
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Old 06-01-2012, 11:01 AM   #199
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Or just go with a cheap Teraflex leveling kit and get 2" front and 1" rear lift for $130.
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Old 06-01-2012, 11:22 AM   #200
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Or just go with a cheap Teraflex leveling kit and get 2" front and 1" rear lift for $130.
But will I need it for my set up. I have no problem getting a lift, I will be doing a complete 4" long arm system, just not for a few years. Bottom line, will the 33x12.5x15 DuraTracs (or KM2's havent made my mind up yet) on MB TKO's with 3.75" BS work for on road with out rubbing until I install my lift (1-2 years) without adding anything else?
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Old 06-01-2012, 11:33 AM   #201
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Originally Posted by FigsJeep978

But will I need it for my set up. I have no problem getting a lift, I will be doing a complete 4" long arm system, just not for a few years. Bottom line, will the 33x12.5x15 DuraTracs (or KM2's havent made my mind up yet) on MB TKO's with 3.75" BS work for on road with out rubbing until I install my lift (1-2 years) without adding anything else?
Yes. You'll rub if you put it through any substantial flex though, so just be careful if you do happen to go offroad.
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Old 06-01-2012, 12:08 PM   #202
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Yes. You'll rub if you put it through any substantial flex though, so just be careful if you do happen to go offroad.
Thanks Mike, much appreciated. The only reason I am so adamant about doing this without any lift/spacers/leveling kit is because the wheels/tires I am getting are free, a gift from my dealership (long story). So I am getting them put on sometime next week . when it comes to the lift, i want to do it right, make sure i get everything i need for the 4" long arm, i will be doing 35's at that point as well so it will be a big expense. to me it just doesnt make sense to throw in a leveling kit now when i plan on throwing the long arm kit on in a year or so.
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Old 06-06-2012, 09:57 AM   #203
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New Jeep JKU owner.

Well, I am a Jeep Newb, and a Happy one.

I got my very first Jeep, a 2012 Unlimited Sport over the weekend and I have no idea what I am doing...yet.

I have just started reading up in this forum and I am very impressed by everyone's knowledge and enthusiasm.

I don't like how small the tires look, I am pretty sure that I am running

225/75/16 (29”x9”)- ( the stock, 2012 unlimited Sport wheels and tires)


I will not be off-roading at all, this is a daily driver and has just replaced my minivan (I hated the minivan). It will be going to the beach a lot

I don't know anything about tires.
my question is, with the 16 inch rim that I have.
what is the biggest tire that I can get for it without rubbing?
I think I saw a number for the 17in rims but don't know enough about wheel and tires to make a decision.
This will be for a complete Stock set up.. no spacers, no washer on the wheel stop, no lift.

Any help would be awesome ( especially links to tires and the numbers for those tires like the 255/ things.)

Thanks.
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Old 06-06-2012, 12:20 PM   #204
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Well, I am a Jeep Newb, and a Happy one.

I got my very first Jeep, a 2012 Unlimited Sport over the weekend and I have no idea what I am doing...yet.

I have just started reading up in this forum and I am very impressed by everyone's knowledge and enthusiasm.

I don't like how small the tires look, I am pretty sure that I am running

225/75/16 (29”x9”)- ( the stock, 2012 unlimited Sport wheels and tires)


I will not be off-roading at all, this is a daily driver and has just replaced my minivan (I hated the minivan). It will be going to the beach a lot

I don't know anything about tires.
my question is, with the 16 inch rim that I have.
what is the biggest tire that I can get for it without rubbing?
I think I saw a number for the 17in rims but don't know enough about wheel and tires to make a decision.
This will be for a complete Stock set up.. no spacers, no washer on the wheel stop, no lift.

Any help would be awesome ( especially links to tires and the numbers for those tires like the 255/ things.)

Thanks.
Welcome to the forum.

Sounds like you have the base model 16x7 rims. You could put something like a 285/75/16 on it, but not without spacers or washers. A 265/75/16 (31.7 x 10.4) should work without issue, however.......

I STRONGLY encourage you to just find some low mile Rubicon takeoff wheels and tires. Those will be 17x7.5 wheels and 255/75/17 (32x10) tires. They will be a substantial upgrade from the 29s you have now and will most likely cost less than a good set of tires for your existing wheels. Rubi takeoffs seem to range from $500-$1000 based on mileage and condition. You could then go by your dealer and have them flash your computer to the new tire size so that your speedometer and other readings are correct.
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Old 06-06-2012, 12:37 PM   #205
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Welcome to the forum.

Sounds like you have the base model 16x7 rims. You could put something like a 285/75/16 on it, but not without spacers or washers. A 265/75/16 (31.7 x 10.4) should work without issue, however.......

I STRONGLY encourage you to just find some low mile Rubicon takeoff wheels and tires. Those will be 17x7.5 wheels and 255/75/17 (32x10) tires. They will be a substantial upgrade from the 29s you have now and will most likely cost less than a good set of tires for your existing wheels. Rubi takeoffs seem to range from $500-$1000 based on mileage and condition. You could then go by your dealer and have them flash your computer to the new tire size so that your speedometer and other readings are correct.
Thank you sooo much!
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Old 06-07-2012, 12:03 PM   #206
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tire pressures?

Maybe I missed it in the thread, but I did have a question:

How much does tire pressure affect rubbing? The effective diameter of the tire will decrease as you air it down to put more rubber on the ground...the side wall will flex outwards a bit as well...but not at the tires outer diameter.

So, when folks talk about suspension articulation and rubbing...what are they running? Is the guy with 15 psi in his tires good to go while the guy running 30 psi is rubbing? Or because most of the tire's deformation takes place at the contact patch is there a negligible effect on the portion of the tire that actually rubs (top/side arcs)?

I was just thinking about tires, wheels and the like and it occured to me I hadn't seen it discussed. I didn't know if that was because there's no real difference or simply because most folks keep their tires at road pressure for their driving.
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Old 06-07-2012, 12:52 PM   #207
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...Or because most of the tire's deformation takes place at the contact patch is there a negligible effect on the portion of the tire that actually rubs (top/side arcs)?....
Think you pretty much hit the nail on the head right there. I ran some trails this weekend with my 33x11 (285/75/16) tires at 20psi, disconnected sway bar, and TF leveling kit (2" front, 1" rear). I never once rubbed in the rear. But I got into my front fender liners on several occasions.
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Old 06-07-2012, 01:35 PM   #208
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time to trim
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Old 06-07-2012, 01:41 PM   #209
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Nah. I'll just run it like this til I rip the fenders off. Then I'll go with Bushwacker flats. Or I'll just bolt a hockey puck in there so I hit the bumpstop earlier, though I am sure I will miss the articulation I would lose from that.
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Old 06-07-2012, 01:50 PM   #210
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trim them. full disco i dont rub on anything.

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