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Old 01-29-2011, 10:38 PM   #1
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35" mud tires on 2008 jk unlimited?

i'm posting for a friend...

he was advised not to purchase 35" tires for his 2008 jk unlimited because they would not fit (even with a 3" lift). with this advise he bought 33" instead.

we recently went to an auto show and they showcased the new 2011 jk sporting 35" tires on a 2" lift. did my friend receive bs advise? if he wanted to upgrade to 35" tires now, would he be able to do it with the 3" lift he has now?

the width of the 33" and 35" are both 12.50...

thanks.

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Old 01-29-2011, 10:44 PM   #2
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Depends in part on the wheels, but the advice was probably BS.

However, your friend is going to lose A LOT of power going to 35s. Unless he/she wants to toss in another $1500 to regear, leave them at 33. Indeed, there are also other upgrades that would likely eventually be required with 35s. It'll get expensive, just FYI.

That's my two cents.

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Old 01-29-2011, 11:02 PM   #3
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Advise wise 35" is not a good choice but they will go on with a 2" lift with no problem as long as you either get new wheels with less backspacing or wheel adapters(spacers). But 35's only add a 1" in clearance over a 33 but can cause many problem if you don't upgrade gears and other suspension parts. 35's can even go on without any lift at all if you buy flat fenders. Adding 35's is an expensive mod to do it right.
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Old 01-30-2011, 03:46 AM   #4
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I have 35 x 12.5 mud tires on my unlimited with a 3" lift. I would recommend a regear as well. Also tell him to expect a huge mpg hit.
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Old 01-30-2011, 05:35 AM   #5
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Hi,

my rig is currently at the workshop. They have installed a 3.5 inch Rubicon Express Superflex suspension to fit my 35 inch tyres. Unfortunately the car has an extreme Death Wobble and cannot be driven well and safe.

The guys try to eliminate the vibrations. Planned to test drive my rig this weekend and being disappointed.

Will report if and how problem could have been fixed.

Greetings from Germany,
Guido
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Old 01-30-2011, 08:07 AM   #6
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Welcome to the forum. I hope your shop can figure out where they went wrong and fix the problem.
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Old 01-30-2011, 08:38 AM   #7
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Quote:
Originally Posted by Plastic Bertrand
Hi,

my rig is currently at the workshop. They have installed a 3.5 inch Rubicon Express Superflex suspension to fit my 35 inch tyres. Unfortunately the car has an extreme Death Wobble and cannot be driven well and safe.

The guys try to eliminate the vibrations. Planned to test drive my rig this weekend and being disappointed.
Will report if and how problem could have been fixed.

Greetings from Germany,
Guido
I have an 08 Unlimited Wrangler with 35x12.50, 2.50" lift, death wobble fixed by installing dual stabilizers. Did give up fuel mileage, mpg city 12.
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Old 01-30-2011, 10:08 AM   #8
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Quote:
Originally Posted by Gremlin66 View Post
I have an 08 Unlimited Wrangler with 35x12.50, 2.50" lift, death wobble fixed by installing dual stabilizers. Did give up fuel mileage, mpg city 12.
You didn't fix it, you masked it. The added strain of the dual stabilizers will eventually cause issues with your steering box.
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Old 01-30-2011, 10:39 AM   #9
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Quote:
Originally Posted by daggo66

You didn't fix it, you masked it. The added strain of the dual stabilizers will eventually cause issues with your steering box.
Agreed. First thing I would do is get an alignment and go from there.
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Old 01-30-2011, 10:59 AM   #10
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Originally Posted by ZOMB1E

Agreed. First thing I would do is get an alignment and go from there.
Did the alignment and then the dual stablizers.
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Old 01-30-2011, 11:00 AM   #11
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Quote:
Originally Posted by daggo66

You didn't fix it, you masked it. The added strain of the dual stabilizers will eventually cause issues with your steering box.
What do think would solve the problem?
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Old 01-30-2011, 11:42 AM   #12
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Quote:
Originally Posted by Plastic Bertrand
Hi,

my rig is currently at the workshop. They have installed a 3.5 inch Rubicon Express Superflex suspension to fit my 35 inch tyres. Unfortunately the car has an extreme Death Wobble and cannot be driven well and safe.

The guys try to eliminate the vibrations. Planned to test drive my rig this weekend and being disappointed.

Will report if and how problem could have been fixed.

Greetings from Germany,
Guido
Fire your workshop! Something wasn't done properly if you have a "death wobble"
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Old 01-30-2011, 01:28 PM   #13
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Here is my DW write-up thread:

http://www.wranglerforum.com/f33/dia...ml#post1023390


For the OP, I run 40s on a 3.5" lift with 3.25" extended bumpstops, a 1" body lift, and flat flares.

Your friend can run 35s (assuming no body lift and stock flares) with 2.5" front and rear extended bumpstopping and wheels with 4.75" or less backspacing. He would also need to trim the edges of the stock front plastic lower air dam, and possibly, he'd need to extend his steering stops.

So, a 2.5" to 3" lift, with 2.5" extended bumpstops would do the trick for 35s.
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Old 01-30-2011, 03:02 PM   #14
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Quote:
Originally Posted by MTH
Depends in part on the wheels, but the advice was probably BS.

However, your friend is going to lose A LOT of power going to 35s. Unless he/she wants to toss in another $1500 to regear, leave them at 33. Indeed, there are also other upgrades that would likely eventually be required with 35s. It'll get expensive, just FYI.

That's my two cents.
Completely agree. I have 35s with 2 inches of lift and chopped fenders and I am already beginning to notice a vibration in my brakes. I may be considering going back to a 33 when I buy new tires.
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Old 02-24-2011, 12:28 AM   #15
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haven't been on here since my original post. but damn did i learn something in the last five minutes. thanks for the post guys... i'll be sure to pass this on to my friend.

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