Mushy brakes 4 life...
For what it’s worth you can tell these backing plates were married to this axle housing. Just the rust spots and grease on one side etc. and this is a B body axle. So I have to believe they are B body plates. I wish I had a set of 11x2.5 plates that I knew were correct just to damn try. Ugh.
If I get a chance, I'll see if i can expose some part# stampings on these, but the dimensions I gave show the amount of diff being about 3/16-~1/4" of offset, w/the "other"
out towards the drum. I put a '68 RoadRunner 8.75 in My ex-cop Dippy, left the brakes,lines,cables, everything hooked up to the car, just yanked the axles & unbolted 'em
w/o havin to so much as re-adjust or bleed anything, drums went right on. The BP's I gave dimensions as 2.5" are the same as those. Still have that rear but it's not close.
As far as bleeding, I don't bench-bleed anything anymore, but You do need to bleed the master at the lines after the fluid runs out the ports good. Otherwise, unless a cal.
piston or wheel cyl. piston is over-retracting, I'd say the way those shoes are touching they are
not square in there at all, & there is a lot of lost travel trying to put them
there.
