i need some suggestions on the best diffs to use

 

First off welcome to Yotatech.

Well the advice is kind of dependent upon what your intended use for your truck.

 

Moved to Newbie Tech Section.
Also renamed your thread since it was pretty ambiguous.

We need a lot more info about your rig before any good advice can be given.
Model, drivetrain, current mods, goals for the truck, primary use, etc...

Fink

 

Be nice Scuba.

 

I suggest you use the kind with a ring gear, and a pinion gear

Perhaps one with a few bearings, and a flange to bolt the driveline on to.

 

i recommend 5.29s.... and an ARB.. hands down one of the best mod i've done to my rig....