After all my rear problems discussed here in several threads, I think I'm set. I need to run some miles and cut some figure 8s in a parking lot to loosen up the posi if the clicking returns. A friend came up with a excellent article from the August 2006 Carcraft magazine. There were several variations of the BOP rears and all differed from the common Chevy unit. I lack a scanner but will fax --give me a holler by PM. I also previously posted a link to a Hemmings article on the 10 bolt 8.2 rears. Chuck