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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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km2 question...

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Old Dec 16, 2008 | 05:45 PM
  #61  
TexsDream77's Avatar
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I found those prices earlier on 4WD.com. The guys at Summit will have a price up on the superlift black Diamond 3" kit up some time tommorow. They haven't sold one of those yet.. Only 4" kits... so usaully the first one out the door goes for far less than anywhere else. I paid $600 for my 4" kit and now they are almost a grand. If you didn't know there is a suspension shootout on one of the two FourWheeler magazine sites where they compared 8 different 3" kits.

The biggest variable is wheels and tires. Steel wheels will save you money and be better for wheeling but, weigh more which robs a little bit of power.

Tires... there are soooo many choices in tires that it will make your head spin. Just keep in mind the type of driving your doing. Different tires excel in different situations. More aggressive= lower gas milage.

I have a few reasons for the X-terrain tires. When Procomp first came out I was looking into buying another set of BFG MT's. I sipe my MT's and I saw that the Pro-Comps are sipped. So, I gave them a shot. I ran them on my 1500 Chevy for winter driving and plowing. They were incredible on wet/icy roads and deep thick mud. They were quiter than my BFG MTs. And they lasted a lot longer milage wise. Then when the X-terrain came out the tread design was appealing. I waited to see some other people try them first. Once I bought my first set I was hooked. I've run soo many different tires in the last 15 years of wheeling toys. These things just rock. This is the first floatation tire that I've ever run on a rig that didn't hydroplane at the first sign of a puddle. I found myself on the highway at 75MPH looking for puddles to figure how much these things can take. I like them so much I'm on my 4th set on 3 different rigs. They are quiter than my old Dunlop Radial Rover AT's. Take them in the woods and I really started liking these things. They handle mud well with good wheel speed because of the directional tread they clean rather well. They are sipped ... when aired down the stick to rocks well. The sidewalls are very thick. and have a very aggressive side lug pattern. And with all this they seam to wear rather well on the highway. I wore an 1/8" of tread off my 305/70 16 in 10K miles on my Jeep in about a years time.
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Old Dec 16, 2008 | 05:49 PM
  #62  
rubican!'s Avatar
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well im actualy looking at the OME kit at northridge now and looking to run a 35 inch tire with some 2 inch bumpstops int he rear . If i do it that way I jsut go 100 bucks ofer my budget and get front and read adj track bars and 35!sss
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Old Dec 17, 2008 | 12:18 AM
  #63  
ZoSo-Green's Avatar
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From: Coastal, GA
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Originally Posted by rubican!
Im trying to figure ou what is the better way to go. I want a Wide tire and im going with 33's. I want km2's. From what i can tell there are 2 tyoes. the 305 70 r 16's and the 285 70 r 17's. I plan on gettignt the pro comp 8179's as my wheels. So if i go 17 that puts them on a 9 inch wide rim if i go witht he 305's that puts me on a 8 inche rim. I do like the idea of the 17's. What combo do you all think is going to look and perform better. Im going for a ratio of 80 % road Queen 20% Wheeler. Thanks

Keep in mind wide is good. I just cant figure out if the 17 version versus the 16 version makes that big of a diffrence in width.
If you stay w/ 33's go w/ a
305/65-17
(12.2" wide, 32.8" tall on a 17x9" rim)
285/70 will look to skinny on 9".
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Old Dec 17, 2008 | 06:47 AM
  #64  
Bluewaterrider's Avatar
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From: Hanging Rock--Roanoke County--Virginia
Default beware of load range E tires

Originally Posted by ZoSo-Green
If you stay w/ 33's go w/ a
305/65-17
(12.2" wide, 32.8" tall on a 17x9" rim)
285/70 will look to skinny on 9".
REMEMBER LOAD RANGES THOUGH !! ! !

I have NEVER found this size in any thing but load range E which is not gonna flex well and have a harsher ride qualities.

Stick with load ranges D and C

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