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Old 07-24-2010, 01:00 PM   #1
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Locking rear differential

I need help in choosing/ finding a locking diff for my 2008 E350 2WD advancetrac RSV. Thanks, Bob.
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Old 07-24-2010, 03:53 PM   #2
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Re: Locking rear differential

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Originally Posted by Silver350
I need help in choosing/ finding a locking diff for my 2008 E350 2WD advancetrac RSV. Thanks, Bob.
Many of us are using the ARB locker because that is what SMB offers as an option. I've used mine several times with zero trouble. The ARB setup is very well regarded by off-road types, and it requires an air compressor. Many also feel that it is important to have an ARB installed by someone with experience. Good luck in choosing.
R
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Old 07-24-2010, 07:56 PM   #3
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Re: Locking rear differential

Guess it all depends on what you have planned for the vehicle. Air Lockers are nice, but require air pressure. Limited Slip is a simple way to go. Buy it, install it and forget about it for about 60-80K miles.
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Old 07-24-2010, 10:16 PM   #4
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Re: Locking rear differential

So they lock and unlock with air pressure like on large trucks?
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Old 07-24-2010, 10:22 PM   #5
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Re: Locking rear differential

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So they lock and unlock with air pressure like on large trucks?
More or less..yes they do work like a "Diff Lock", and "wheel to wheel" on the big rigs.
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Old 07-25-2010, 01:08 PM   #6
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Re: Locking rear differential

Not the link I was looking for but it has some good info

http://www.offroaders.com/tech/limited- ... ntials.htm
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Old 07-26-2010, 07:57 AM   #7
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Re: Locking rear differential

Hey Lead Doggy, what kind did you install and is it a straight parts swap or is it complicated? I'm a pretty good monkey wrencher, I'm wondering if I could do it myself.
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Old 07-26-2010, 07:48 PM   #8
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Re: Locking rear differential

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Hey Lead Doggy, what kind did you install and is it a straight parts swap or is it complicated? I'm a pretty good monkey wrencher, I'm wondering if I could do it myself.
Had mine installed here in town. I went with a new ring and pin at the same time.
If I wanted to just go with the LSD, I could have done it myself. i don't see any big deal just installing a locker or LSD. The only problem you may run into is setting the ring gear backlash.
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