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Message: <blockquote data-quote="bumwhine" data-source="post: 1236633" data-attributes="member: 26417">If you aren't interested in it, that's fine. It's not a true locker, but lockers are typically not very drivable, or require servicing, and many of these trucks will see more driving around town than they do pure offroad excursions.I was mistaken in saying 34-spline. OP corrected.The factory e-locker won't engage in 2WD without a module to overcome this, it also doesn't engage over 20mph to prevent it from being torn up. This has been posted in every facebook messageboard I've been a part of and is a complaint on multiple forums.Something like a Yukon is a true LSD, but those require servicing of their clutch components and more frequent gear oil changes than a gear-type differential does. If you were to install a Wavetrac (or an Eaton TrueTrac standard helical-type), the factory e-locker would be entirely removed. You would lose a pure locking differential. There are pros and cons to this, for sure, but that's up to the owner to weigh out. Military Humvees run helical differentials front and rear, so it isn't like a helical differential isn't capable of off-roading, especially higher speed baja type runs. The Wavetrac takes the helical all-gear design a step further and works in zero axle-load applications. To continue, a Torsen/helical differential isn't actually an LSD, but a torque-biasing differential (or torque sensing differential), and the OE rear e-locker is an open differential when not engaged.</blockquote>

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