LSD For Front Rubicon Locking Axle - JeepForum.com
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post #1 of 28 Old 12-19-2008, 07:13 PM Thread Starter
my05rubi
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LSD For Front Rubicon Locking Axle

I drive in a lot of snow and know that locking the front axle is useless, no steering. But would like more traction from the front wheels in 4wd.

Is there a LSD that can be installed with a Rubicon front locking axle? Like a geared Tru-trac LSD?

Can a rear Rubicon LSD/locking axle assembly be installed in the front Rubicon axle?

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post #2 of 28 Old 12-19-2008, 07:26 PM
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Are you speaking of 4wh low or 4wh high?
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post #3 of 28 Old 12-19-2008, 07:29 PM
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You need to look under the article section up above on your toolbar! Hit that link and scroll down to the Bypass of Factory Locker Switch article!
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post #4 of 28 Old 12-19-2008, 08:10 PM
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you can swap the front to the rear and vice versa. lots of Rubi owners have swapped out the rear unit in favor of the stronger front rubi case.
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post #5 of 28 Old 12-19-2008, 08:25 PM
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Quote:
Originally Posted by GOLENJEEPTJ View Post
You need to look under the article section up above on your toolbar! Hit that link and scroll down to the Bypass of Factory Locker Switch article!
he says he doesn't want to lock the front, because of the difficulty steering.

You SHOULD be able to purchase a rear LSD/locker and install it in your front, but the rear locker is known to be weaker.

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post #6 of 28 Old 12-19-2008, 09:32 PM
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I thought the TJ Rubi's had a tru track style LSD when the air locker wasn't engaged and that the electrics in the JK were open. Or is that only on aftermarket air lockers?
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post #7 of 28 Old 12-19-2008, 09:54 PM
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my Rubi has a 4 high. he doesn't want a locker, he has that already. he wants to add a LSD and a locker. the easiest (only way that I can think of) is to swap his carrier with a rear carrier from a TJ Rubi.

jdragger, the TJ Rubis has open/locked diffs in front and a LSD/locked diff in rear, all air operated. from what I understand the electric JK Rubi lockers are all open/locked regardless of which diff (front or rear) its in
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post #8 of 28 Old 12-19-2008, 09:59 PM
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Got it. Thanks. So my05rubi can accomplish steerable LSD with a rear locker in the front. Right?
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post #9 of 28 Old 12-20-2008, 06:34 AM
roadkill
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thats right but the rear LSD/locker on the rubis is known to be weaker than the front open/locked carrier
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post #10 of 28 Old 12-20-2008, 06:57 AM Thread Starter
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Even though the rear may be weaker, I don't thrash it around that much in rocks, etc, so putting a rear Rubi LSD/locker in the front, may be the plan.

Thanks for the input.
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post #11 of 28 Old 12-20-2008, 07:46 AM
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you dont want a LSD in front. you want what you have, a full open or fully locked locker on a switch. a LSD front will be much worse in the snow.

you should always drive in snow on the street fully unlocked.


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post #12 of 28 Old 12-20-2008, 07:51 AM
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I can't recommend an LSD for a front axle.

For years I auto crossed and road raced Hondas. We would run an 80% limited slip in them. In the rain it was a hand full. Even if you wanted to turn the car would go straight. I can't imagine how it would be in snow and ice.
Being locked or limited int he rear is easier to deal with in a low traction situation. The truck will be predictable in how it steps out to a fish tail and you can catch it.


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post #13 of 28 Old 12-20-2008, 09:00 AM
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Quote:
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you dont want a LSD in front. you want what you have, a full open or fully locked locker on a switch. a LSD front will be much worse in the snow.

you should always drive in snow on the street fully unlocked.
An LSD will be much worse in front in the snow than what? The Detroit Truetrac LSD when in the front, rear, or both axles is excellent on snow or ice.

When you have a choice, buy American made.
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post #14 of 28 Old 12-20-2008, 03:52 PM
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Quote:
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you dont want a LSD in front. you want what you have, a full open or fully locked locker on a switch. a LSD front will be much worse in the snow.

you should always drive in snow on the street fully unlocked.
Total agreement. I have run lsd in front, and in the winter I did NOT like it. Bad handling characteristics.
I'd never do it again, unless it was a truetrac.
Selectable open/locker is the best of both worlds.


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post #15 of 28 Old 12-20-2008, 05:49 PM
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An LSD will be much worse in front in the snow than what? The Detroit Truetrac LSD when in the front, rear, or both axles is excellent on snow or ice.
LSD will be much worse in snow than an open diff (or selectable locker) in a Jeep. You don't have to drive on ice covered roads with your LSDs front and rear. Selectable lockers are the best of both worlds, we're not talking about viscous coupling differentials with variable torque distributions here.


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