HELP!! Beginner's 12-Bolt Tutorial Needed

[HectorM52]

Uhm... no, on the truck 12-bolt. Not a good move...

Is there a difference, yes... and there is more to it that in my simple summation. Basically, its vastly weaker than the passenger car 12-bolt due to the smaller pinion shaft diameter and ring gear thickness... and you are somewhat limited on parts. Then there are the axle shaft differences...

There is good reason that some are telling you to purchase new... or good used for that matter...

That must be why it is so 'cheap' - follows the old adage - "if it seems too good to be true...