hi again,im getting a 72 rear of a Chevelle wagon,and i have a 71 Chevelle sport coupe,sounds like it will work,ok,but need info on breaks,are breaks the same in wagon as sport coupe,they are both 8.25,10 bolt, is it same lug pattern,and if not can i put sport coupe breaks on wagon rear,Thanks again,

My interchange says ..YES you can use them.

HANDY HINT- change the flex lines.
this solves many problems with brakes-