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Sorry Another Tire ??

965 views 9 replies 5 participants last post by  2010 Blue Rubicon 
#1 ·
I have a 2010 Rubicon with the Terraflex leveling kit. I am told that I can run 34's, but I do not see that to be a common size. I wanted to go for 33/1250-17 or ?? I think 35's will be a bit much, and I travel in this Jeep a lot, 98% roads. Good size? I already have my Pro Comp wheels at 17x9's.
Thanks.
 
#2 ·
Close to a 34 is the 315/70/17 size, they are supposedly 34.4ish, mine measured out to about 33.5-33.75 mounted on 17x8.5 wheels.
 
#3 ·
I have a 2010 Rubicon with the Terraflex leveling kit. I am told that I can run 34's, but I do not see that to be a common size. I wanted to go for 33/1250-17 or ?? I think 35's will be a bit much, and I travel in this Jeep a lot, 98% roads. Good size? I already have my Pro Comp wheels at 17x9's. Thanks.
If it's mostly road driving it'll save you money to go with stock size tires.

The duratrac's are now available in stock size 255/75 R17. (They also are available in 33s - 285/70 R17)

They're lighter, narrower and generally more practical if you're doing mostly on road driving but will still have the aggressive looking tread and will work well off road as well.
 
#4 ·
Most so-called 35s are really about 34" or so, at normal operating temps. That said, with a leveling kit and mostly highway driving, I'm with GreenMachine –– 33s at most.

With 35s you'll start getting into weight, mileage and reinforcement issues you might not wanna deal with. Also, with the 17" rims you'll get killed on cost.

My two pennies.
 
#6 ·
Again, GreenMachine gave you good advice. The DuraTracs are great all-around tires, especially if you wheel and do a lot of highway driving. And they rock in the snow––moreso than any 4x4 tire I've owned. I've been running 35s (true size, about 34") for two years now, and wouldn't swap them for anything.

Only issue is the thin sidewalls (except on the E-rated 35s). That should only come into play if you're gonna wheel in rocks, though.
 
#7 ·
I think you have already convinced yourself to go with 33s but if you are still considering 35s, your gear ratio is the most important factor followed by your tolerance for lower fuel economy. If you have 4.10s you can run the 35s fairly comfortably but with 3.21s you will feel a significant drop in performance.

Another vote for the Duratracs. :thumb:
 
#8 ·
I do have the 4:10's. Just trying to fine a true 33" tire. If you do a comparison of the 255/75-17 I am running now, most 33"s are not that much different, at most I have seen a .65 in height difference, which for a $1000 or so just does not seem worth it. I think 35's not matter how much I like them is just to much. so a good happy medium is a 33-34 " tires utilizing the 17x9 Pro Comp wheels. I am still looking!!
 
#9 ·
The DuraTrac 315/70 R17 is listed at 34.4 inches but would probably measure approximately 33.5.

For the amount of highway driving you are doing you really want to try to keep the tire light.

Also, the heavier the tire, like a previous poster mentioned, the more potential modifications you'll need to do due to the premature wear and tear caused by heavier tires.

Potential issues with ball joints, c joints, axles and not to mention the spare tire carrier won't accommodate a heavier tire.
 
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