78 blazer rearend not the same..

[LS6 XAA]

Oddly enough, I measured everything on the front diff and it all appears to be identical to the original, springs are in the same places, same shock mounts etc....but I'll probably install the front diff at a later date when I have more time for a front end alignment.

I read just what u explained about the front axle for dana 44. corp 10 bolt may be same to ? any one... thanks for this great info and pics maybe some one can post a pic or video diy step by step on the rear end mod's
Firebirdjones : can u explain how u setup the relocation angle for the perchs, I never did the mod my self as far as the cutting off and moving, the po did it on the axle I removed and the donor axle had had this mod done to it all ready. my donor had a 4" susp lift & one perch broke of when I pulled it so I re welded it back on to match the other perch using a bubble level. I read to use a angle finder but decided to do it my way lol