1964 1/2 D- Code Mustang Convertable, Restored. 289 Engine with a Edelbrock 650 CFM4V Carburetor. 4 Speep Transmission,, Power Top. Power Steering, Power Disc Front Brakes, The drive train of this car has completely original matching #s to the car. The Convertibles were produced in 1964, and only 575 were 4 speed. the rest were either 3 speeds or Automatics