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Old 12-11-2012, 06:06 AM   #451
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Stock rims you'll rub a little at lock. Lifted 2 inches you could run 315 75 16 if you picked up spacers

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Old 12-11-2012, 07:21 AM   #452
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sorry for the mispelling in my lat post, was a lil asleep when i posted, plus my spell on my phone loves to think its smarter then me. lol...now with a bigger tire like others have said, do i have to worry about gearing? becuase i aint going to lie..thats all greek to me. with the bigger tires i should expect some loss in MPG and a speedo difference, correct?

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Old 12-11-2012, 08:25 AM   #453
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speedo difference can be corrected useing an aev procal. roughly 149 bucks
as far as regearing it really depends on what your running now. and what type of wheeling if any you do.

285 is not much taller than a factory sra so gearing would be unaffected. 3.21 gears is the norm in a base model. you can option in 3.73 gears which are numerically taller delivering more torgue to the wheels. lots of people run 35s on 3.21 gears and are happy with it but these same people rarely leave the road for any type of serious off roading. based on the fact you have 16in rims factory i would hazard a guess that your on 3.21 gears. personally i wouldnt run larger than the 285 or heavier than 50lbs a tire. but i off road alot and i do 80% of the spotting for my club and i have seen the lack of torque being over compensated for by throttle get some people into some serious trouble.
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Old 12-12-2012, 12:10 AM   #454
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What I'm looking to purchase is- Wheels(interco birddogs-17"x 9" with 3.5" backspacing) and for tires-( interco M/T Trxus 33" x 12.5" x 17")

Assuming I read the article correctly this set-up should work with the stock set-up on a 08' Rubicon unlimited as long as I do not do any heavy off-roading till I get my lift kit next year!

Any opinions of this set-up or other suggestion?
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Old 12-12-2012, 08:34 AM   #455
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that wont rub. and why wait till next year. you can get a good budget lift for 180.
http://www.wranglerforum.com/f33/lev...ml#post3087564
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Old 12-13-2012, 07:37 PM   #456
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it wont rub if i put that washer in for the steer stop though correct?
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Old 12-13-2012, 08:01 PM   #457
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im looking at General Grabber AT2 Tire LT285/75R16 cuz i can get a slight deal on them from a friend or i can get Goodyear Wrangler Authority Tire LT265/75R16.. same thing can get a slight deal on them..whats your guys take on them, if you ever heard of them?
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Old 12-15-2012, 07:26 PM   #458
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I currently have 255/75/x17 tires.

If I got 17x8 rims, would those tires fit on that in the meantime while I save up to get the bigger tires?

Thanks
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Old 12-15-2012, 09:40 PM   #459
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Quote:
Originally Posted by JHR1985
I currently have 255/75/x17 tires.

If I got 17x8 rims, would those tires fit on that in the meantime while I save up to get the bigger tires?

Thanks
Yep.
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TeraFlex 2.5" Coil Lift : Old Man Emu Nitrocharger Shocks : 33x12.5R15 Goodyear DuraTracs : 15x8 Black Rock 909s : Other Stuff . . .
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Old 12-16-2012, 03:29 PM   #460
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Quote:
Originally Posted by lee indy View Post
i never ran the stock tires on this jeep. i had them on my old sport before i upgraded and it wasnt lifted at all. on that motor with 3.73s i was getting about the same.

as far as the coopers go i couldnt be happier. for what they are they are fantastic. really quite on the road and great off road until you hit any type of clay.

you will loose some mileage. the stock goodyears are 36 lbs each.
heres my initial thread.
Cooper Discover ATP
thanks for you're help, I decided to go with the ATPs, got them installed yesterday

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Old 12-16-2012, 03:31 PM   #461
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Hello All !! I pulled the trigger on a new 2013 Rubi Unlimited yesterday. It's still in transit .. I hope to have it within the week. I should have a better idea tomorow. Since then I have been total engrossed with this and other jeep forums. Great Info... I'm getting it.. but my head is spinning !!

Initially I thought that I would keep it stock for a while and slowly work my way to a 3" lift w/35's. But now I'm considering some initial upgrades.. I would appreciate your thoughts.

My main reason for phase 1 is winter driving considerations.. Snow/ICE/RAIN and I like the beefier tire.

Phase 1 (from the dealer)
1. Keep the stock rims (there growing on me).
2. Upgrade to Duratrack LT285/70R17
.. I might need spacers
or
upgrade to LT315/70R17
in which case I would need spacers and probably go with the
Rubicon Express economy 2" lift.

** From all that I have read I think the LT315 should work.. with some minor rubbing only if I really push it.

Any thoughts on if I would be better off just paying the up charge at the dealer vs driving to tire shop?

Phase 2 (next few months)
1. Ace Rock Sliders (look great with the Rubi RR's and function as a step)
2. Front and Rear Bumbers

Phase 3 would be a full lift with some true 35" tires... once I save up some money !!

Thanx !!
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Old 12-16-2012, 08:08 PM   #462
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I read this thread twice. The combo being looked it is strictly for on-road use, never off-road.

Looking at 17" MB Chaos 18mm offset wheels (5.5" backspacing) with either the 275/70 or 285/70 tire to keep the tire even or under the car (thus no 4.5" backspacing). The 275/70 is exactly the same height as the stock 255/75 (no speedo errors or calibration with gearing) while the 285/70 is essentially a 33" tire.

No thread I read talks about a 5.5" backspacing, everthing is either 285/70 on stock rim and no off-road use or aftermarket wheel with 4.5" backspacing. Does anyone know if the 285/70 on the 5.5" backspacing causes any rubbing issues for non-off road use? I would think not since the interior side of the tire is actually further from the suspension compared to the stock rim.

Sorry if the question has been asked, but I couldn't find the answer. Thanks in advance for the help.
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Old 12-17-2012, 07:32 AM   #463
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Quote:
Originally Posted by Snowren24 View Post
thanks for you're help, I decided to go with the ATPs, got them installed yesterday

looks great.
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Old 12-19-2012, 09:13 AM   #464
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Wheel and Tire combo - recommendations

Awesome thread thanks to everyone for all the information on tire and wheel sizes. I think I just about narrowed down my decision to replace the stock tires on my 2011 sport unlimited
I am looking at the American Outlaw Hollywood wheels to replace my stock 17inch. Looking at the 17x8.5 -10 offset ( about 4.36 inch backspace from what I can calculate).
I am looking at the DuraTrac tires just trying to determine which size I should get the 285/75-17 or 285/70-17. Have heard the DuraTrac tend to mount smaller than the printed size and looking for some recommendations on which size to marry up with the new wheels and not have to do any other mods to the jeep at this time.
I use the jeep as a DD so gas millage would be nice to keep from decreasing too much and do some off-road not much right now but could change as the addiction grows
Thanks for the help
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Old 12-24-2012, 03:43 AM   #465
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Hello everyone. I hope you're having great holiday of Christmas.

I've one question about tire and wheel.

I'm planning to purchase wheel and tire for 2011, JK Unlimited, Sahara.
And I have Old man Emu 2" suspension kit.

Here are my plannedd purchase:

1. Black Rock Series 900 Viper Alloy Wheel in Matte Black
Black Rock Wheels 900B785045 - Black Rock Series 900 Viper Alloy Wheel in Matte Black for 99-12 Jeep® Vehicles with 5x5 Bolt Pattern - Quadratec

2. Cooper Discoverer ST Maxx 285/70/17
285/70-17 Cooper Discoverer ST Maxx Tires

So my question is as following:

1. Does it have any rub to body without any spacer?
2. Did anyone purchased like this before?
3. What is your experience with Black Rock Series wheel?

Thank you, I appreciate your kind comments, advice and blames also

Cheers,
have a nice holiday.
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Old 12-24-2012, 07:15 AM   #466
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Quote:
Originally Posted by Tengis View Post
Hello everyone. I hope you're having great holiday of Christmas.

I've one question about tire and wheel.

I'm planning to purchase wheel and tire for 2011, JK Unlimited, Sahara.
And I have Old man Emu 2" suspension kit.

Here are my plannedd purchase:

1. Black Rock Series 900 Viper Alloy Wheel in Matte Black
Black Rock Wheels 900B785045 - Black Rock Series 900 Viper Alloy Wheel in Matte Black for 99-12 Jeep® Vehicles with 5x5 Bolt Pattern - Quadratec

2. Cooper Discoverer ST Maxx 285/70/17
285/70-17 Cooper Discoverer ST Maxx Tires

So my question is as following:

1. Does it have any rub to body without any spacer?
2. Did anyone purchased like this before?
3. What is your experience with Black Rock Series wheel?

Thank you, I appreciate your kind comments, advice and blames also

Cheers,
have a nice holiday.
I have those wheels and really like them so far. The finish is nice and they're original looking.

You'll be fine with that 285/70/17 tire. It is about 32.5" tall (give or take) and will be a little narrower than the traditional 33x12.5 tire. You'll likely measure around 11.25" wide.

Post up some pictures when you get them mounted.
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Old 12-28-2012, 12:04 AM   #467
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I'm getting a 4" lift put on my new jeep and I ordered tires and wheels for it. I got a 35" tire ( nitto trail grapplers) and 17" wheels. The dealership suggested a -24 offset on the XD Strikes. how much are these going to stick out? I want them to stick out some but not overkill. what do you think?
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Old 12-28-2012, 03:35 PM   #468
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lots of good info thanks
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Old 01-06-2013, 06:53 PM   #469
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I'm another tire ignoramus who has 7.5x18 stock Sahara wheels which I want to keep. From what I've gleaned from the thread I'll need spacers (1.25 or 1.5?) to put wider tires on with no lift. I'm going with Duratracs because they seem best in snow and ice with occasional off road use. I don't want to go taller just wider to avoid gearing issues. My question is; can I put 295/65R18's on a 7.5" wheel?
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Old 01-07-2013, 01:06 AM   #470
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Originally Posted by richj View Post
I'm another tire ignoramus who has 7.5x18 stock Sahara wheels which I want to keep. From what I've gleaned from the thread I'll need spacers (1.25 or 1.5?) to put wider tires on with no lift. I'm going with Duratracs because they seem best in snow and ice with occasional off road use. I don't want to go taller just wider to avoid gearing issues. My question is; can I put 295/65R18's on a 7.5" wheel?
Yes. 295/65R18 Duratracs is what I put on my stock 18" wheels with 1.5" spidertrax spacers. No rub, works good with the 18/59 spring swap.
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Old 01-07-2013, 11:55 AM   #471
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Thanks for the quick reply, I'm heading to the tire dealer shortly. One question, how do I find out what springs I have? I've got a 2013 JKUS, I would think the springs are already a little beefier than the 2-door, but not as much as a Rubi. Does Jeep have an online spec sheet of everything on our particular JKs that we can access?
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Old 01-07-2013, 03:58 PM   #472
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Hey, New Jeep owner. I just got a 2 door 2007 Sahara. It has stock tires and rims with no lift. I want to get a 2" Rancho lift and keep the 17" stock rims. What would be a good size tire to put on the rims without having to buy spacers? Of course I want as big as possible. Should I just go ahead and get new 16" rims?
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Old 01-07-2013, 04:22 PM   #473
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I just ordered 275/65R18 Duratracs because they're practically the same Dia(32.05vs32.1) as the 255/70s. My tire dealer informed me that the 295s on a 7.5" wheel would crown up even higher than the 33.1" stated Dia. Being in a hilly area I don't want to alter my shift points much because I got 3.21 axles for lo rev @highway speeds and I'm just getting used to shifting with the 32s over the 28.4" 225s on my XJs that I've been driving for the last 25 yrs. Old habits die hard! Although those 295s look sweet on your JK!
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Old 01-08-2013, 02:09 AM   #474
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If I put 285/75/16 Falken's on my stock 16" steelies with 1.5" spacers, should I expect any rubbing issues?
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Old 01-08-2013, 06:31 AM   #475
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Old 01-09-2013, 03:15 AM   #476
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interco makes a wheel called a birddog, no spacers required as they make them in right offsets to fit. price of steel rims and quality spacers bring the price up. better to spend a little more and get a real working wheel
just a thought
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Old 01-09-2013, 04:11 AM   #477
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Quote:
Originally Posted by JHR1985 View Post
I currently have 255/75/x17 tires.

If I got 17x8 rims, would those tires fit on that in the meantime while I save up to get the bigger tires?

Thanks
I'm looking to do the same thing. Have the stock tires right now. Looking at a few different wheels. Not sure how wide of a rim to go to with the stock 255/75/17 tires. Wheels I'm looking at are from 17x8 to 17x9 but I think the tires are only good up to 8.5" wide wheels... Anyone confirm?
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Old 01-09-2013, 06:16 AM   #478
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go with a skinnier wheel. the 17x9 is good for a 12.5 wide but 11.5 wide you wont be able to air down and thell look funny. i run 8,5 in wide on mine.
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Old 01-09-2013, 11:50 AM   #479
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So right now I am currently running 275/65/18 duratracs on Ultra Gauntlet 18x9 wheels. I bought that setup without having a lift. Since then I installed a 2.5 lift. I am looking to move up to 35's and trying to decide on a size. I also want the tires to stick out a little from the fenders. Right now they do a little bit. I was thinking 325/65/18. Would those work or do you guys suggest another size?
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Old 01-11-2013, 01:58 PM   #480
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Please post some photos when you get these. Are you using the stock Sahara wheels? Have read that spacers are not needed for this set-up, but wanted to know what you decided to go with. Thanks!

Quote:
Originally Posted by richj View Post
I just ordered 275/65R18 Duratracs because they're practically the same Dia(32.05vs32.1) as the 255/70s. My tire dealer informed me that the 295s on a 7.5" wheel would crown up even higher than the 33.1" stated Dia. Being in a hilly area I don't want to alter my shift points much because I got 3.21 axles for lo rev @highway speeds and I'm just getting used to shifting with the 32s over the 28.4" 225s on my XJs that I've been driving for the last 25 yrs. Old habits die hard! Although those 295s look sweet on your JK!

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