[Rubble]

Originally Posted by jonzcustomshop

I have an 87 3/4 ton. the u joint on the rh axle is all wiped out. so I need to change that axle, ...or I have an 84 3/4 ton that I could just swap out both the front and rear differentials... ( the truck right now has the brakes disconnected, so that part is not an issue)...


the issue: the 84 is a full time 4x4, and the 87 has locking hubs....
is it pretty simple to put the locking hubs on the 84 axle?
or not?
will it interchange?

thanks for any info!

You sure the full time is not just the auto hubs? I didn't think GM offered full time 4x4 after 1980. If you can post a transfer case picture,that will pretty much tell too...
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