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-   -   Bfg km2 (http://www.wranglerforum.com/f274/bfg-km2-251022.html)

Supperfast 06-22-2013 01:00 PM

Bfg km2
 
I'm about to put a 2" spacer lift on my 13 jkur I want to keep my stock wheels and put on KM2's size 255x80/17 they are 33.3 tall and 10" wide .
Will they fit with out any rubbing? And if anyone has the same set up I would like to see some pics.
Thanks for the help!

ESP 06-22-2013 01:04 PM

You can run those without any lift although with a lift it will be better in the long run. 255/80/17 are also known as pizza cutter tires. They are very narrow. Most prefer a wider tire, stance, and look but get them if they are what your looking for.

overblown 06-22-2013 01:28 PM

Yeh you won't have any issues with that setup.

suicideking 06-22-2013 01:31 PM

Quote:

Originally Posted by ESP (Post 3888566)
You can run those without any lift although with a lift it will be better in the long run. 255/80/17 are also known as pizza cutter tires. They are very narrow. Most prefer a wider tire, stance, and look but get them if they are what your looking for.

Agree with this.

I think they will look to small with a 2" lift. You'd be better off getting 33's with a 2" lift. 33's would be 285 X 75 X 17 or something like that. Keep in mind that BFG KM2's run VERY small, so 33's will be closer to a 32".

Supperfast 06-22-2013 01:39 PM

Well I would go wider just don't want any rubbing. Will a 285x75 work ? they are almost 34" and 11.3 wide? I'm just doing this lift to hold me over till I get the cash to do it right. Prob a few years

Supperfast 06-22-2013 02:16 PM

Quote:

Originally Posted by suicideking (Post 3888619)

Agree with this.

I think they will look to small with a 2" lift. You'd be better off getting 33's with a 2" lift. 33's would be 285 X 75 X 17 or something like that. Keep in mind that BFG KM2's run VERY small, so 33's will be closer to a 32".

Ok thanks man .. We must of posted at the same time. So if you look at BFG's OD on there site it's not a true size ?

iNizo 06-22-2013 02:54 PM

I think 285/75/17 is close to 34" on stock wheel and without spacer it may rub with rear sway bar

jaxs1984 06-22-2013 03:19 PM

1 Attachment(s)
I have a 2DR with 2.5 AEV lift with 255/80/17 on stock rubicon wheels. I personally think it looks perfect :)

Grand Umpah 06-22-2013 03:36 PM

I also plan to go with the 255x80/17 km2 once I burn the stock tires down some more.
For some of the trails I do in the desert, staying with a narrow tire is an advantage. And I don't really want to have to buy new rims, so the pizza cutter km2 is the way to go.
I have the TF leveling kit, and all the posts I've read indicate that there shouldn't be any issues with rubbing.

Supperfast 06-22-2013 06:57 PM

Thanks every body for all the info. I had my mind set on a full suspension lift so I kinda new everything I wanted to do.. Then funds changed we all mo how that is.. So I'm trying to figure out what I can do with a 2" budget boost. Thanks again.

Rtone1583 06-23-2013 12:03 AM

My first lift and tire upgrade (09 JKUR) was an Old Man Emu 2" heavy kit with 33"x10" KM2's on ATX Mojave wheels (4.5" backspacing, I think stock whells have around 6" backspacing). While they do look small on a 2" lift I still found that they did rub at full steering lock.

This picture will give you an idea of how much space a 2" lift will give you above the tire.

http://www.quadratecforum.com/pictur...&pictureid=212

Up Hill Bill 06-23-2013 12:33 AM

Before you make a knee-jerk decision that wide is better and "pizza-cutters" are less than worthy, read this:

Expeditions West: Tire Selection for Expedition Travel

Unless you do deep, soft snow, mud, or sand all the time, too wide a tire is an all around functional negative, IMHO.

I'm looking seriously at the same KM2s as the OP, when my OEs are done for.....

Rtone1583 06-23-2013 01:34 AM

Quote:

Originally Posted by Up Hill Bill (Post 3890208)
Before you make a knee-jerk decision that wide is better and "pizza-cutters" are less than worthy, read this:

Expeditions West: Tire Selection for Expedition Travel

Unless you do deep, soft snow, mud, or sand all the time, too wide a tire is an all around functional negative, IMHO.

I'm looking seriously at the same KM2s as the OP, when my OEs are done for.....

Fantastic article. Thanks for posting the link.

suicideking 06-23-2013 12:08 PM

Really depends on your priorities. The wider 33" probably would be a problem with rubbing if you keep the stock wheels. Up to you if it's worth it to buy new wheels or get spacers. If not, then probably stick with the smaller tires. Just keep in mind that the BFG KM2 runs smaller than most other tires.

Plus, with a 2" BB, it might look a little funky with the smaller tires. With that much lift, you can almost fit 35's (again, would require aftermarket wheels).

One solution you might want to look into is to try to find some Rubi take off wheels. They're not KM2's, but they're still BFG MT and you could probably find them with wheels. That way you can sell your stock setup.

I think you're better off sucking it up and buying aftermarket wheels when you do the tires. You can get some alloy wheels for under $100 each. Then you'll have no problem with 33's and it won't look funky.

ahsumtoy 06-23-2013 12:34 PM

2 Attachment(s)
Quote:

Originally Posted by suicideking (Post 3890912)
Really depends on your priorities. The wider 33" probably would be a problem with rubbing if you keep the stock wheels. Up to you if it's worth it to buy new wheels or get spacers. If not, then probably stick with the smaller tires. Just keep in mind that the BFG KM2 runs smaller than most other tires.

I think you're better off sucking it up and buying aftermarket wheels when you do the tires. You can get some alloy wheels for under $100 each. Then you'll have no problem with 33's and it won't look funky.

I agree, get you some alloy wheels and 33's. You might want to go 305/65/17 giving you 32.6" x 12.01" x 17 using a 11x9 wheel with 4.5 backspacing. I have a 2" lift with what I said along with the KM2's. Here is a pic.

Supperfast 06-24-2013 12:11 PM

Quote:

Originally Posted by ahsumtoy (Post 3890968)
I agree, get you some alloy wheels and 33's. You might want to go 305/65/17 giving you 32.6" x 12.01" x 17 using a 11x9 wheel with 4.5 backspacing. I have a 2" lift with what I said along with the KM2's. Here is a pic.

Thanks for the info... Your jeep looks good!

onetraveller 06-24-2013 12:42 PM

If you buy it before the end of the month (active rebate program) the Rancho 2" sport kit isn't much more expensive than a budget boost.

Here's mine with a 33.4 inch tire and the stock Sahara wheels. Stay narrow if you can, lighter weight, less rolling resistance, better traction in most conditions.

http://www.wranglerforum.com/attachm...6&d=1367180527

Mike

suicideking 06-24-2013 01:11 PM

Quote:

Originally Posted by onetraveller (Post 3894158)
If you buy it before the end of the month (active rebate program) the Rancho 2" sport kit isn't much more expensive than a budget boost.

Here's mine with a 33.4 inch tire and the stock Sahara wheels. Stay narrow if you can, lighter weight, less rolling resistance, better traction in most conditions.

Mike

Unless you're wheeling it. If it's for wheeling, you want the widest tire possible. Narrow is better for street driving.

Up Hill Bill 06-24-2013 02:36 PM

Quote:

Originally Posted by suicideking (Post 3894257)
Unless you're wheeling it. If it's for wheeling, you want the widest tire possible. Narrow is better for street driving.

You haven't read the Expeditions West: Tire Selection article yet, have you? :D

onetraveller 06-24-2013 03:34 PM

To put it in simple terms...

Wider tire = Greater flotation
Narrow tire = Higher ground pressure

This is tied to why you can run 37 psi on the stock 255s, but need to drop to 25 psi on 12 inch wide tires.

Mike

suicideking 06-24-2013 03:45 PM

Quote:

Originally Posted by Up Hill Bill (Post 3894512)
You haven't read the Expeditions West: Tire Selection article yet, have you? :D

I stopped reading when I saw that piece of crap Toyota... :rofl:

It's an old article. I skimmed it -- not much rock crawling mentioned (if any at all). Plus, it's just one mans opinion on one size of tire on one vehicle (and that vehicle is a damn yota...). Not 33" vs. 35" vs. MT vs. AT, rocks/gravel etc.

Rtone1583 06-24-2013 10:43 PM

Quote:

Originally Posted by suicideking (Post 3894726)
I stopped reading when I saw that piece of crap Toyota... :rofl:

It's an old article. I skimmed it -- not much rock crawling mentioned (if any at all). Plus, it's just one mans opinion on one size of tire on one vehicle (and that vehicle is a damn yota...). Not 33" vs. 35" vs. MT vs. AT, rocks/gravel etc.


Cool thing is, the physics involved in what was discussed in the article are even older and they haven't changed nor do they change just because a tire is installed on a Toyota or a Jeep.

suicideking 06-24-2013 11:41 PM

Quote:

Originally Posted by Rtone1583 (Post 3896180)
Cool thing is, the physics involved in what was discussed in the article are even older and they haven't changed nor do they change just because a tire is installed on a Toyota or a Jeep.

:appl:

Rtone1583 06-24-2013 11:43 PM

Quote:

Originally Posted by suicideking (Post 3896407)
:appl:

Thank you. I'm here all night.

NFRs2000NYC 06-24-2013 11:54 PM

Pizza cutters have their place. In many situations, they are superior to wide meats.

Up Hill Bill 06-25-2013 12:05 AM

Quote:

Originally Posted by NFRs2000NYC (Post 3896461)
Pizza cutters have their place. In many situations, they are superior to wide meats.

Check out what a Model T Ford could do with those skinny tires and solid axles:

FORD model T on Vimeo


[I still have visions of your beautiful Moab photos! Thanks for those!]

NFRs2000NYC 06-25-2013 12:42 AM

Quote:

Originally Posted by Up Hill Bill (Post 3896504)
Check out what a Model T Ford could do with those skinny tires and solid axles:

FORD model T on Vimeo


[I still have visions of your beautiful Moab photos! Thanks for those!]

:thumb:

If I was doing an around the world tour, I'd be rockin' pizza cutters for sure.

Supperfast 06-30-2013 10:42 AM

So I'm checking in to putting on the 285x75x17 after I install my aev 2" bb and everything I find says I need wheel spacers to keep my stock wheels .. I know a lot of y'all ate running spacers but I'm not that thrilled about doing that. So I might just wait to do the tires when I can afford the wheel I want.
Any body have pics of a jku with a 2" bb and stock tires?

THW 06-30-2013 11:05 AM

I'm planning to go with pizza cutters on pintlers with a 2.5" lift. I think they look great- I prefer the narrow look over an obese 14" bubble tire. I also don't think they look too small on a 2-2.5" lift, but that's a matter of opinion. Another bonus is that they are one of the cheapest 33" tires out there!

Supperfast 07-07-2013 10:54 AM

I installed my AEV bb and put on KM2's 255/80/17 and I like it.. Thanks everyone for the help


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