I just purchased my first A Body Mopar... It's a yellow '67 Dart 170, 2 door sedan (post car which had a 225-6 column shift) and bench seat... It now has, as I was told a '71 Barracuda 340, 4 speed, on the floor, and an 8-3/4 rear... The black shift knob has no pattern on it, and the shifter is...