I am having a problem similar. Who said timing? My battery appears strong and the motor turns fine (when warm) but struggles to fire. Cold it fires right away. If timing - which direction. Advance it or other way? What is actually happening?
~ HB 1966 Chevrolet K-10 | Ghost: formerly Flappy Fenders | In the Stovebolt Gallery 1962 Chevrolet C10 1962 Suburban