hi new to all of this so i want to do it somwhat right and i see no better place than here to start. ok i have a 56 3600 that will be getting a 400hp and 350 to 390 torque so my truck will need to put the right stuff on it so i do not mess it all up like what rearend can i use (like one out of a car but what car will work? nova, camaro or what) also drive shaft. i will start with that and go from their i do not want just buy some millon $ rearend out of some catalog any help would be great.