Original, 1986 Ford Light Duty Truck Service Specifications handbook contains information normally not found in the service manuals or owner's manuals.  Information primarily consist of measurements, sizes, dimensions, quantities, etc. with relationship to brakes, suspension, transmission, engine, ignition system, fuel system, lighting system, etc. Models include F- & E- 150 - 350, Aerostar, Ranger, Bronco & Bronco II.