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Old 01-27-2015, 09:00 AM
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School me on lockers and LSD

I'm new to the gearing world and have a question on lockers and LSDs.

I understand Lockers literally lock the wheels together and Limited slips put power to the wheel with most traction while open diffs give it to the wheel with the least amount of traction.

My question is can you have lockers and limited slips on the same vehicle? I'm just trying to understand the mechanics of it and plan for it.

I currently have 35's on my jku and have an open diff with 3.73/manual trans.

If jeep doesnt come out with a diesel in the next redesign then I'll build the JK with 38's.

I'm new to the gearing world and dont understand how both an LSD and locker can be in the same housing. I always thought it was either one or the other.

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Old 01-27-2015, 09:14 AM   #2
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Quote:
Originally Posted by LowFatBaconWrap View Post
I'm new to the gearing world and have a question on lockers and LSDs.

I understand Lockers literally lock the wheels together and Limited slips put power to the wheel with most traction while open diffs give it to the wheel with the least amount of traction.

My question is can you have lockers and limited slips on the same vehicle? I'm just trying to understand the mechanics of it and plan for it.

I currently have 35's on my jku and have an open diff with 3.73/manual trans.

If jeep doesnt come out with a diesel in the next redesign then I'll build the JK with 38's.

I'm new to the gearing world and dont understand how both an LSD and locker can be in the same housing. I always thought it was either one or the other.
I think it is Auburn that makes the Locker/ LSD combination diff. the locker is selectable, so that way, when you have the locker turned off, the diff is limited slip, and flip the switch... locked.

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Old 01-27-2015, 10:09 AM   #3
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The TJ Rubi also had an LSD/Locker combo. Best of both worlds IMO. But for the most part, it is usually one or the other...although a really tight LSD could perform almost like a locker...however it will probably drive like crap on pavement and put you in a ditch on slick roads.
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Old 01-27-2015, 10:32 AM   #4
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Click image for larger version

Name:	F7303289 locker.jpg
Views:	104
Size:	38.0 KB
ID:	1847577

^^^A Locker.

Click image for larger version

Name:	lsd_expanded lsd.jpg
Views:	140
Size:	116.7 KB
ID:	1847585

^^^A LSD.

There are different types and manufactures, but this will give you a general idea of the differences.
Just left click on them, will make the pics larger!!!!!!!

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Old 01-27-2015, 01:38 PM   #5
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Auburn makes a product called the ECTED which when not locked works as an LSD and goes fully locked at the flip of the switch. I am not a big fan of them. I would go with locker or LSD only.

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Old 01-27-2015, 11:12 PM   #6
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The ECTED is essentially a clutch type limited slip with a mechanism to lock the clutches together on demand.

I have the factory LSD in the rear of my Sahara. For the money it was an excellent option and works well. Some will complain that they wear out prematurely, but it's covered under the 100k mile power train warranty. The easiest way to have both is to put an LSD in one axle and a locker in the other.

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Old 01-27-2015, 11:19 PM   #7
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