Angelo:
I looked into a Front Locker at the end of 2002 and then again in the early part of this year. After a few posts on the subject and reasearching, here is what I found:
The H2's Traction Control system "somewhat" negates the need for a locker up front. This system is designed to detect slippage and act as a "virtual" locker by balancing power output.
The upside to TC/TC2 is that it makes the rig more drivable versus a Front Locker on all but the loosest of terrain. I owned one truck with a Front Locker and it hopped and surged when the ground beneath was solid [packed dirt].
The downside to TC/TC2 and subsequent upside to a Front Locker is that you have a constant supply of power to both left and right front wheels, without worrying about a management system trying to detect slippage. The Locker is said by many - to be more predictable.
I dropped my plans for a Front Locker, but if you opt to go with one, I'd be curious as to how the TC system is disengaged (e.g. simply remove a fuse or undercarriage wire?). I'd think that you wouldn't want the TC system activated while the Differential is engaged, otherwise you have a redundant system trying to manage traction needlessly.
Let us know what you find - great subject!
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