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ARB makes an air locker for the ZF diff,it's the best one in regards to locking up the rear diff.In certain conditions,like if 1 tire is in the air,the tru trac has some short comings.
store.arbusa.com
It's not that he "needs" a rear axle, like the current one has an issue. Just an option to buy a complete rear axle that already has an LSD installed and bolt it in under the truck. Replacing the complete rear axle assembly is generally much easier than swapping the internal differential. It's literally unbolt the old one and slap in the new one and can be done with basic wrenches. An average mechanic with basic handtools can do it in the driveway. It's much more technical and requires special tools to swap out the internal differential. The average mechanic does not have the knowledge or tools to do this in the driveway and therefore would have to pay a shop to do it. By the time you buy the TrueTrac and pay a shop it's more expensive.
Having a trained tech. properly set up a differential at flat rate could be risky as many don't have the patience or enough experience to do it right. I explored having a TruTrac installed to replace my open diff. and the nearest, well recommended installer who specialized in this work was in northern Pennsylvania.
I understand where you are coming from, but in my opinion that kinda' defeats the purpose of the having the locker. If you have to "baby" it and only use it under certain times what is the point? The conditions you describe aren't the times you need a locker. I've been off-roading for years and see more people break stuff under heavy throttle with open diffs, then those with lockers that can climb stuff under lighter throttle. Wildly spinning tires and bouncing up and down with open diffs with your foot to the floor is really hard on stuff. With lockers at lot of the time you can run the same places under light throttle.
They don't make a front locker for 1500s as far as I'm aware of. Because I would have one...
Only way you're getting a front locker,is dig out the welder and give it the old Lincoln Locker,by welding the spiders
I had the G80 in a 1992 Chev. 1500 4x4 but that is gone. I currently have two 2500HD 4x2 and one 3500 4x2 and they are manual lockers. When they engage over 25 mph, they lock and walk you out of a bad situation. They were made by Eaton and called the m-locker where m stood for mechanical. If you go to their website, they now have an e-locker which is a manually activated electronic locker. I thought that is what we have in our trucks? Maybe made by Eaton?
