GMC Sierra 1978 For sale: Chevy 1978 Engine: 350 blue, original, dual exhaust Transmission: Manual, 3-speed Chassis: Guaranteed Fuel tanks: Both working Body: Original paint except for the hood and bed door, which have been repainted. Air conditioning: Has an Isuzu 7-piston compressor, works cold. Original RPM gauge, and all gauges are working. Original radio with added Bluetooth. Original manual is available. New inspection. New registration. Best offer. Don't forget to mention God.