Classic/Antique Car Repair: 1951 chevy styleline deluxe, chevy car, junk yard

Question
what differential will fit my 1951 chevy car? i remove the 216 inline six and the rest of the drivetrain.i now have a 350/350.wat car can i take it from the junk yard wat year and model? please help theres nothing on the web nothing. thanks

Answer
None of that will fit directly without adaptors, welding and fabrication. Changing engines and drive lines requires a lot of work and as I said fabrication. Unless you are a welder and have the equipment, let some one who does do the job. Anything can be made to fit with work.
Brad