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Old 12-25-2017, 04:22 PM
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Tire suggestions?

so I got these for Christmas!

17X9 with 12mm backspace.

Anyone with tire suggestions? I don't have a lift but was given, a while back, a used spacer lift but am not particularly fond of the shocks so I would probably buy new ones if I put it on.

I have a sport with 3.21 gearing so I'm thinking 33"-34" and maybe about 10=12" wide?

I know lots like BFG KO2s on here. I was also thinking Coopers.

Open to suggestions and sizing!

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Old 12-25-2017, 04:26 PM   #2
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Those are nice. Are they like grey/gunmetal in side? What is brand/make?

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Old 12-25-2017, 05:15 PM
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Tire suggestions?

They are bronze on the inside. Lighting is strange inside with the wood floor.
American racing atx.

Thanks for the compliment. I think they’re going to look awesome with the anvil color on the Jeep
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Old 12-26-2017, 06:15 PM   #4
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I recently went with 295/70/17 Cooper STT pro tires.

Mounted on AEV Borahs, 17x8.5, @30PSI, the tires measure 32.25" across.

Specs on Cooper's site say it's a 33.46" tire, 12" wide tire. I think it's a beefy tire, and looks good with the stock lift on a 2017 Recon Unlimited.

BFG also makes a KO2 tire in a 34x10.5x17, should fit fine with stock rims and lift, as it measure as a 32" tire when mounted.
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Old 12-26-2017, 07:34 PM
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are those Cooper's an AT or an MT? Do they have a road hazard or mileage warranty? What kind of wear/road noise are you experiencing. I really like the Coopers and have had their tires on previous vehicles with good success. I think that sizing is exactly what I'm looking for. Would like to go 305 but without a lift and gearing I think I'd be dissapointed.

Thanks for the reply
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Old 12-26-2017, 11:36 PM   #6
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Nice wheels. You say 12mm offset, but do you mean -12? If it's really +12, that gives you a 5.5" backspace which will limit how wide of a tire you can go with. If they are -12, that gives you 4.5" backspace and should be good all the way up to 12.5" wide tires.

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Old 12-27-2017, 12:17 AM
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Nice wheels. You say 12mm offset, but do you mean -12? If it's really +12, that gives you a 5.5" backspace which will limit how wide of a tire you can go with. If they are -12, that gives you 4.5" backspace and should be good all the way up to 12.5" wide tires.

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It’s -12 with 4.5 backspacing. Good catch. I read enough on here to know the backspacing was a necessity and going 17” over 18” would give me more tire choices. Which is good in theory....until you have to pick.


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Old 12-27-2017, 10:12 AM   #8
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Originally Posted by rjf98 View Post
It’s -12 with 4.5 backspacing. Good catch. I read enough on here to know the backspacing was a necessity and going 17” over 18” would give me more tire choices. Which is good in theory....until you have to pick.


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To be honest, it's the 3.21s that are the "gotcha" in your setup. I personally wouldn't go over a 285/70/17 with those gears. Even with that size, you will have rubbing issues when fully flexed and disconnect offroad unless you add bumpstop extensions or flat fenders. The pic attached is my previous JKU with 285/75/16 (same size as 285/70/17) with 4.5bs wheels, TF leveling kit, fully stuffed, disconnected, stock fenders, stock bumpstops, inner fender contact. Not enough contact to tear a fender off course.

There is definitely a lot of things to consider when making a tire choice.

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Old 12-27-2017, 10:15 AM   #9
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Yeah, I'd go with a 33 inch tire because of your gearing.
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Old 12-27-2017, 10:48 AM   #10
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3 questions:
1. Is your jeep a dedicated trail rig that you wheel all the time?
2. Do you live in the mountains or any other significant elevation changes?
3. Do you tow anything with it?

If the answer is "no" to all of these than you'll be fine with 3.21s and the tire size you're after. At least until you feel that you want to regear, if ever. Just reprogram for tire size. If you have a manual you'll lose 6th gear and an automatic will downshift more often but no big deal.
If you add a pedal commander you won't even know you have 3.21s.
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Old 12-27-2017, 11:06 AM
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Not a dedicated trail rig. Might end up towing a small trailer if I ever get around to buying one, automatic transmission.

I agree the long pole in the tent is the gearing but, it is what it is. If I had to do it over again I prob would have just financed the rubicon but... live and learn. I bought the sport before I had any real knowledge. Since I own it, and the wife loves the Anvil color, there’s no way I’m financing a new vehicle.

I have a spacer kit at the house. I’ll get pictures and measurements later today. A guy from the gym gave it to me a couple of years ago and I never installed it. I think it has pro-comp shocks. I’ll measure those and post up to for further recommendations.

Seemed easier in HS. We threw a 305 in my buddies CJ-7 and 33-12.50s on it. Those tires seemed huge back then. We towed their ski boat to the lake in the TX hill country all the time. Probably horribly stupid considering the underpowered brakes etc etc.

Now with the Jeep being a daily driver that does 100 miles a day and having to keep the kiddos and wife safe while trailing/ traveling to the trail, I consider many more factors.
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Old 12-27-2017, 11:34 AM   #12
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If you add a pedal commander you won't even know you have 3.21s.
I almost mentioned a Pedal Commander as a good option for the 3.21s, but I have no personal experience with it. Been keeping up with the threads about them and know that the 3.21 owners have said it is much more liveable/tolerable with the PC. Good suggestion.

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Old 12-27-2017, 02:13 PM   #13
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Originally Posted by rjf98 View Post
are those Cooper's an AT or an MT? Do they have a road hazard or mileage warranty? What kind of wear/road noise are you experiencing. I really like the Coopers and have had their tires on previous vehicles with good success. I think that sizing is exactly what I'm looking for. Would like to go 305 but without a lift and gearing I think I'd be dissapointed.

Thanks for the reply
It's technically an MT tire. But probably best to categorize it as a Hybrid Tire, more MT that AT, but a mix of both. It's an E Rated tire. I run 30psi in them, and it's not hard riding at all. When at 40psi, I though they were a little stiff.

I have additional road hazard insurance that I bought from Mavis, who I bought the tires from.

Road noise is minimal, it's there is you listen for it, but in all honesty, I don't really hear it, unless I specifically listen for it.

Here is a pic of 295/70/17, on 17x8.5, +4 offset on a 2017 JKU Recon, no lift:

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Old 12-27-2017, 02:16 PM
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Tire suggestions?

Here’s what I have sitting in the garage. Like I said, I got it for free a couple of years ago. All I did was paint the spacers green because... well I had the paint lying around.

The shocks are in ok condition but not strong. I can collapse them pretty easy with my body weight. There are some dents in a couple of them but they collapse all the way without sticking.


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Old 12-27-2017, 02:22 PM
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It's technically an MT tire. But probably best to categorize it as a Hybrid Tire, more MT that AT, but a mix of both. It's an E Rated tire. I run 30psi in them, and it's not hard riding at all. When at 40psi, I though they were a little stiff.



I have additional road hazard insurance that I bought from Mavis, who I bought the tires from.



Road noise is minimal, it's there is you listen for it, but in all honesty, I don't really hear it, unless I specifically listen for it.



Here is a pic of 295/70/17, on 17x8.5, +4 offset on a 2017 JKU Recon, no lift:





Those look tough. Do you disconnect when you go off road? I trail ride and have been to Rousch creek but I don’t go searching for rocks to climb.
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Old 12-27-2017, 02:37 PM   #16
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I have not really done any trails that warrant disconnecting the front sway bars.

These tires may rub on full articulation, but I'll remedy that, when I cross that bridge.

I didn't want to lift, and wanted a more aggressive looking tire/rim combo, and these wheels/tires gave the desired effect. I'm about to replace the Red Rubicon shocks, and putting on Falcon 2.1 shocks and Steering Stabilizer. Don't know what to expect, but in the event that I need more lift, I'll just swap out the springs.
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