First off Hello to everybody!! I Got the motor done BB 407 with 460 HP and 450 tq Maybe a super charger and NOS in it future. With a TH400 and a 2600 TCI converter behind that. Now I need a rear end what do you guys suggest something strong. The truck is a 72 3/4 ton with a stock rear end going to need a locker and springs either leaf or coils any help greatly appreciated!!!