[Tx70Gmc]

Originally Posted by Jason Banks

Where in Dallas are you? I'll loan you my harbor freight one...

Here's an example of the hose. It doesn't matter if disc or drum, it's just passing fluid from the hard line on the frame to the hard lines on the rear differential.

https://www.classicparts.com/1967-70...ctinfo/71-361/

Here's another...
https://www.rockauto.com/en/moreinfo...t=1792&jsn=937

And another
https://www.oreillyauto.com/detail/c...ckup-rwd?pos=1

Those do not work with my setup.
I have a union that connects the hard lines on either side of the gear on the axle cover.

https://www.summitracing.com/parts/d...RoCbWwQAvD_BwE

This is what i have on my setup from the frame hardline to the axle hardlines