I need a radiator and I want to know if there is a difference between the 2.3 and 5.0 ones. I want to get a 5.0 one so if I can ever get my motor in my car that is one less part. My 2.3 is auto, so if I buy a 5.0 one for a 5 speed and it doesn't have the two threaded bungs for the tranny lines...