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post #1 of 10 Old 07-26-2010, 10:59 PM Thread Starter
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weak axles ??

ok i have 2010 unlimited rubicon with 37`s and 5.13 gears with factory shafts..i was told today that if i lockem up i was basically goona break my shafts ,,is this the case ??i was thinkin i could get buy a lil while with out going with rcv`s..is this the true ??
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post #2 of 10 Old 07-26-2010, 11:04 PM
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It really depends on how you drive. If you are hard on the skinny pedal then yes you will probably break them sooner rather than later. If you are smart about wheel speed when locked up you should be just fine. I ran 37's on factory shafts for awhile and never had a problem, I did upgrade to RCV's for peace of mind

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post #3 of 10 Old 07-26-2010, 11:04 PM
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You should be fine with the stock shafts, as long as (like with any Jeep model) you don't spin a wheel while in the air and then drop it down hard on rock or solid ground. That's what will break a shaft most of the time.

You might want to look into strengthening the axle tubes themselves, as well as the outer C portion. There are plenty of company's that make these upgrades/ gussets- like Poly Performance, Off Road Evolution, Teraflex, and Mt. Logan Off-Road. Might want to gusset the front track-bar mount while you're at it.

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post #4 of 10 Old 07-26-2010, 11:07 PM
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You'll be fine. But like Stu is saying, drive smart and you'll be ok. Also, if you are wheeling in dirt more than rocks then you have much less to worry about.

I am probably going to keep running stock axles. Because if I beef them up, then what am I gonna bust? The carrier, ring gear or pinion? I'd much rather have an axle fail.

I do however recommend that you get the C's and axle tubes reinforced. Good luck!

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Last edited by TEXASKEV; 07-26-2010 at 11:10 PM.
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post #5 of 10 Old 07-26-2010, 11:10 PM
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You will find the shafts breaking as debatable.

However, nobody will say that you should not gusset or sleeve the front axle. Definitely atleast gusset the C's

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post #6 of 10 Old 07-26-2010, 11:11 PM Thread Starter
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thanx guys, i thought i was doing good with 3.5 lift and 37`s to keep COG low but when i was told i was useless till i did shafts i was really bummed,,, i mean im not intending on goin buck wild but i want to be able to have a lil fun...but at the same time my first outing i dont wanna get towed in
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post #7 of 10 Old 07-26-2010, 11:46 PM
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I will ad, you can pop the u-joint at full turn and being a little quick with the clutch.

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post #8 of 10 Old 07-27-2010, 12:11 AM
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Quote:
Originally Posted by Broncojohn View Post
I will ad, you can pop the u-joint at full turn and being a little quick with the clutch.
X2. Tack-weld those u-joint caps at the inner and outer shafts. Preventative maintenance goes a long way- and it's cheap insurance.

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post #9 of 10 Old 07-27-2010, 05:29 AM
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Quote:
Originally Posted by blake View Post
when i was told i was useless till i did shafts i was really bummed
I dont understand the people that say this stuff.
Your Jeep is useless until you modify all sorts of things that you may never ever break anyway, ALWAYS depending on how you drive...

Yeah as said before, nobody will tell you not to do your due dilligence and brace some stuff, add gussets, etc.

But saying "modify this, add that, etc etc, or your Jeep is not a real Jeep".
Kinda sounds like the people on jkf...
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post #10 of 10 Old 07-27-2010, 05:34 AM
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Quote:
Originally Posted by Fishyguy View Post
It really depends on how you drive. If you are hard on the skinny pedal then yes you will probably break them sooner rather than later. If you are smart about wheel speed when locked up you should be just fine. I ran 37's on factory shafts for awhile and never had a problem, I did upgrade to RCV's for peace of mind
I agree, I ran 37s with stock
Shafts for almost a year before I ordered rcv's and I was fine really all depends on how u wheel
I did tack the caps though

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