Manual Hubs.

[blakeok]

Sorry for such a newb question but what are the advantages of manual locking hubs?

 

[fourwd1]

Locking hubs, manual or auto, disconnect the front wheels from the axle shafts.

That way, when you are in 2WD the front axle shafts and drive shaft do not turn. This results in less wear and tear on the front drive train, and better mileage.

 

[blakeok]

is it worth the change? and also what is ADD?

 

[Uneek]

ADD should be automatic differential disconnect.

Another benefit of locking hubs that I've read is if something breaks on the trail, by unlocking the hubs the vehicle can still be driven.

 

[blakeok]

are they very hard to swap out? anything else needed besides the hubs to install? thanks

 

[fourwd1]

You should just be able to swap the hubs in place of the ADD drive flanges. You could replace all the ADD parts with earlier non-ADD stuff, but it may not be worth it.

 

[Colemanfu]

Had a set on my old ranger(stock hubs were crap).

If you have low range you can run low range 2WD, just leave the front hubs unlocked.