Heres some info,
http://forums.modulardepot.com/showt...ghlight=Auburn
http://forums.modulardepot.com/showt...t+differential
I recommend either the Detroit, or get a Ford 31 spline t-lok with the better clutches. Im running that (minus the better clutches) though my auto with 3500 stall and launching with a 100 shot. Soon to be a 150 shot.