1964 GMC Sierra Pickup Manual 4 speed with 3/4 ton suspension Original 305 V-6 Drives great! I knew the original owner and he used it for towing his horse trailer. The second owner was my dad. He used it for his shop truck. He had it painted and installed custom wheels and now has brand new tires. It has a container that feeds Marvel Mystery Oil into the carburetor. There is a throttle set and ...