Ahh, got it. The springperch work is needed because of the torque tube replacement and not because of the centersection. Thats what confused me.
There is a huge difference between a 'center section' and a 3rd member and the early 12bolt has a 3rd member, the truck does not.

Cosmo, go to my website: www.clarkecountyspeed.com
I am good enough to admit I don't know everything.

A shop is where you wash your hands before you pee.