Weight of 7 1/4 vs 8 1/4 vs 8 3/4 vs Dana 60?

Drum to drum w/a clutch SG & 4.10's, 8.75 I weighed @185#.
If I get a chance this wknd. I'll try to weigh the other two. I may
still go w/a SG 7.25 in my early GT, but more for novelty than any
weight savings. By the time you add a real ratio w/a thicker ring gear
and a SG unit, your probably less than 30# lighter, and a lot less
stronger.