Wheel and Tire Discussions - Page 4 - JeepForum.com

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post #46 of 2419 Old 03-01-2011, 08:15 AM
NewJKon37's
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If I were you I would try my hardest to stay away from spacers. They never seem to balance right and develop wobbles at random speeds. I would stay as close to stock offset as possible. But I am going to shoehorn the biggest tire possible on there. I am happy to shave the inner fender but I don't want to shave the outer. My WK2 doesn't come in for another couple weeks but when it does I will fill you in.

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post #47 of 2419 Old 03-01-2011, 08:29 PM
eternollie
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Mines in "D" status. I would love to have the rims and tire sitting here waiting so I could put them on right away. But I'm probably gonna wait so I can take it to a shop and see what we can wedge in there.
Just seeing the post of the AEV GC with 35's on it really has me wanting 35's or at least 33's.

This is gonna be my first JEEP and when I purchased it I was just too excited and not thinkin about aftermarket, thinking it would have alot available. Sad to find out after ordering the Overland with QL that theres not much I can do.
But I do have an idea of a lift for it, just gotta wait till I get it to see if it will work with the Quadralift....fingers are crossed
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post #48 of 2419 Old 03-02-2011, 06:00 AM
WJtinker
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The Overland 20s are nice, but something about these works really well for me too.

Interesting point about the forthcoming SRT8. I wonder what they'll offer on that (hoping they don't go over 20 or, maybe, 22". Max.), and how these ones might look on it too.
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post #49 of 2419 Old 03-02-2011, 10:27 AM
JeepOrvis97
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I'm sure eventually there will be a way to crack the QL so that you can leave it in off-road 2 all the time but I'm sure it will void any warranty and wear tires strange. Too bad QL doesn't also correct alignments

The Orvis has been neglected and needs help. Back on here after a long time. Time to research some help haha

Current jeeps:
1997 ZJ Orvis
1997 TJ 4.0L 5-speed
1993 YJ Sahara Trail Rig
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post #50 of 2419 Old 03-02-2011, 10:41 AM
CTO1
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Quote:
Originally Posted by JeepOrvis97 View Post
I'm sure eventually there will be a way to crack the QL so that you can leave it in off-road 2 all the time but I'm sure it will void any warranty and wear tires strange. Too bad QL doesn't also correct alignments
I wouldn't recommend doing this. When in the off-road 2 setting, the QL shocks are very stiff and make for a significantly uncomfortable ride. It's convenient to be able to raise the vehicle up for occasional obstacles, but if anyone is looking for a way to be lifted up on a full-time basis, QL is not the way to go.
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post #51 of 2419 Old 03-20-2011, 03:53 AM
khuon
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So just to clarify... Are we saying that 275/65R18 A-Ts will fit without rub with QL even in park height mode? I just picked up my 5.7L Overland with OR-II and QL. I'm not happy with the Michelin Lattitudes. I always ran BFG A-Ts on my ZJ but I can't find a matching size to the stock tires of the WK2. I'd be more than happy to run 275/65R18s instead of the 265/60R18s. No issues with steering stops or wheel mounting? Also, what about the spare? Will a 32" even fit in the spare compartment? My only foreseeable recourse for BFG A-Ts is to go with the 265/65R18s which are pretty close to stock and I presume would be the most conservative course of action.
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post #52 of 2419 Old 03-21-2011, 07:48 AM
the1jake
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I have had zero issues with rubbing (even with QL in parking height mode). Remember, as soon as you drive above 5mph, the vehicle will raise from that height. I've had this in Sport mode numerous times after swapping out the tires and have had no issues.

I've inspected to make sure as well as inquiring when I took it in to the dealer for an oil change and tsb updates. Nothing at all. (plus, the dealer remounted these tires on the 18" black wheels and made no mention of potential problems)

Haven't replaced the spare and have no plans to. If something happens, the vehicle won't be run any distance longer than it takes to bring into the nearest place to have the original tire repaired and/or replaced. (unless I'm off-roading, of course)

This is just my experience, others may vary. (my disclaimer)
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post #53 of 2419 Old 03-21-2011, 09:23 AM
mchassler
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For quick reference I've attached the tire size chart I made when shopping for my next set.

What I don't have listed on this sheet is the spare. Our spares (at least mine) is a 245/60R18 which is only 30.00" in diameter x 9.65" wide.

So, I am wondering how my STOCK tires will fit should I run into a problem. If you remove the bins you may have more flexability in your tire's overall diameter (considering you would be placing a worn tire in the compartment) but I am unsure how much depth there is in the compartment. Our stock tires are nearly 3/4-inch wider.

I do not have the QL system as I wanted a permanent lift (just ordered my 2.5" Lift from Rocky-Road Outfitters) so I cannot comment on the park-mode height.

I already realize that I will loose a lot of functionality in my cargo area after the lift - its good thing they make roof cargo carriers. But I will be able to put delicate snacks & beer in the cargo container during camping trips and I know they wont get crushed

CAUTION... watch the knuckle assembly when placing a wider tire with the stock offest (no wheel spacer). There is maybe 1/2"-5/8" of clearance in the stock setup.
Attached Thumbnails
Tire Size.jpg  

2014 JKU Rubicon X
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post #54 of 2419 Old 03-21-2011, 11:24 AM
khuon
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Quote:
Originally Posted by mchassler View Post
For quick reference I've attached the tire size chart I made when shopping for my next set.

What I don't have listed on this sheet is the spare. Our spares (at least mine) is a 245/60R18 which is only 30.00" in diameter x 9.65" wide.

So, I am wondering how my STOCK tires will fit should I run into a problem. If you remove the bins you may have more flexability in your tire's overall diameter (considering you would be placing a worn tire in the compartment) but I am unsure how much depth there is in the compartment. Our stock tires are nearly 3/4-inch wider.
I just took some measurements and there's definitely no way the stocks will fit in the spare compartment. I do have a rooftop tyre carrier from my ZJ that I think will work with the roof rails on the WK2. I didn't normally use it on the ZJ except when offroading because it made the vehicle top-heavy for daily driving and increased wind noise. It did free up a lot of space on the inside because the spare in the ZJ normally sat vertically against the left D-pillar. Of course my ZJ came with a matching full-sized spare on a matching rim.

It sucks that Jeep cheapened out on the spare for WK2. Granted that when I went from the stock tyres (225/70R16) to 245/75R16 on the ZJ, I had to trim the cargo cover but at least that was easy to do. There's no clean way to modify the internal spare holder on the WK2. I'll probably just pop the rooftop tyre carrier on along with a matching spare when I go on extended backcountry/remote offroad trips.

What's the verdict on driving with a smaller spare? I know that with my ZJ which had QT (NV249) and a rear LSD, wonky things would happen if you mixed tyre sizes. Jeep originally sold the ZJs with compact spares but later replaced them with matching spares for QT equipped models because of transfer case problems resulting from people driving on the compacts.
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post #55 of 2419 Old 03-21-2011, 11:57 AM
JayB
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If you take the plastic storage bins out from around the stock spare wheel you can fit up to a 32" tire.
I have a 255/70/18 JK Sahara stock wheel/tire in there and everything fits and the cover closes.
I am guessing that a 275/65/18 will also fit. Same tire diameter, just 0.8" wider.
The main thing to consider is if you want to keep the stock foam jack holder thingy in there as well. If you are running a stock wheel I assume you wouldn't have any issues. Anything with less backspacing and you may run into issues and may have to trim the foam.
Fitting the 275 65 18 will be very close. I'm not positive it will fit, but I think it will.
Once I burn through the 255 70 18 stock bridgestone dueler tires I'm going to go for the 275/65/18. So I'll be able to let you know in oohhhh about 50,000 miles (give me about two years....)
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post #56 of 2419 Old 04-04-2011, 04:53 PM
jared57
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Well, since no one knows... I will be the guinea pig.

I have WK2 Overland with Quadra Lift and the HD brakes. From what I can tell, with the +56 offset our wheels have, there are no real off road wheels for it that are exact fit with proper offset and bolt pattern. There are some that are close (+38) but will push the wheel out past the fender. This is not good if you are trying to get any decent amount of rubber under that fender for off roading.

So, I have the option of getting the stock 18x8" aluminum WK2 wheels for about $260 each (or maybe cheaper if source take offs). Or, I can order a set of the 18"x8" steel wheels that are used for the spare (about $150 each). I think I can order them from Mopar.com. I also have my local dealer finding if they too can get them. If so, I can get 18x8" steel wheels for my off road adventures and swap my 20s back on for street. The spare steel wheel looks solid, and it can always be bent back with a hammer in the event of a bad ding... something not possible with aluminum wheels. My local wheel shop took a look and said the same thing.

Next, which tires? In the 18" size, we are limited.

That said, there are some solid choices. I am going to try the Cooper Discovery STT's, which come in a size I hope will fit with QL at 'aero' ride height. Cooper makes a LT275/65R18 size. It has a 32.32" diameter and 8.4" tread width. This must be just at the max limit (I hope not over).

My tire shop is ordering one tire for me and is going put it on my spare tire steel wheel. We will mount it up, lower to sport/aero mode and check the clearances. I am also going to see if it will fit in the spare tire well. I will report back with pics and lesson learned.
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post #57 of 2419 Old 04-04-2011, 09:40 PM
JayB
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Guess I better check back in here with more info....

so I ended up buying a set of the JK Wrangler Sahara 18" stock wheels with 255/70/18 Bridgestone Dueler tires.
Tires are 32" dia. (815mm). The wheels are offset 46mm, 7.5" width instead of stock 18" WK2 at 56mm and 8" width. I'm giving up about 0.4" of tire width, but in my opinion the 32" tire size looks great on the WK2. I have no issues with clearance (have QL. checked on all settings). I don't think I'd have issues with a 275/65/18 either (don't quote me on that though....)
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JK Sahara 18 wheels on WK2.jpg  
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post #58 of 2419 Old 04-04-2011, 10:08 PM
kkuntz01
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JayB, in the pic above, are you at at normal or raised ride height?

Also, have you noticed much in the way of sluggish response in acceleration or braking? Just wondering how Jeep handles the increased diameter and additional 5-7lbs per tire. Since seeing your post in another thread I've been looking into this as a possibility.

Option B is just getting tires with maybe a set if aftermarket wheels wheels for the JK.

Sure my rig has seen the trail, but I wheel it like a soccer mom looking for a parking spot at Nordstroms.
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post #59 of 2419 Old 04-04-2011, 10:34 PM
JayB
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Quote:
Originally Posted by kkuntz01 View Post
JayB, in the pic above, are you at at normal or raised ride height?

Also, have you noticed much in the way of sluggish response in acceleration or braking? Just wondering how Jeep handles the increased diameter and additional 5-7lbs per tire. Since seeing your post in another thread I've been looking into this as a possibility.

Option B is just getting tires with maybe a set if aftermarket wheels wheels for the JK.
I think that pic was at Off Road I. I can't quit remember though.

I haven't noticed any changes in accel or braking. I only had the stock wheels and tires on for 2k miles though.
From what I can tell there is not much of an appreciable loss in fuel economy either.

As another aside, as I was at the dealer doing the ESC and ECM TSBs (wow who loves acronyms!?!?!) I asked if the dealer could reprogram the car for the correct tire diameter.... they said they couldn't do it. Not sure if that was because at the time I didn't have the TPM sensors in the wheels, or if their computer programmer couldn't actually adjust the truck's computer for different tire size? I haven't had the time or motivation to ask what the real problem was. I could probably hold out until the Superchips tuner comes out and not have to deal with the dealer.....


Wow, sorry for the ramble....
here's a pic where I'm pretty sure it's at normal ride height.
Attached Thumbnails
JK Sahara 18 wheels NRH.jpg  
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post #60 of 2419 Old 04-05-2011, 07:22 AM
kfc01
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So will 275/65/18 MT work? I am looking at getting another set for offroad and change it out for my 20". I have a QL Limited. I thought I was only limited to 265/65/18 BFG's but since you have got bigger it opens up a few options.

Hankook Dynapro MT RT03 Tires 275/65/18 123Q Sbl
Goodyear Wrangler MT/R LT275/65R18
Maxxis MT-762 Bighorn - 275/65 R18
MT-754 Buckshot Mudder - 275/65 R18
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