1969 Gmc V6. 3 speed on column manual transmission. The 1969 GMC trucks gained a new eight-cylinder option with a 255-horsepower 350-cubic-inch offering in the 57-liter engine.
1965-66-67-68-1969 GMC 305 V6 ENGINES EXHAUST MANIFOLD USED GM. 3 speed on column manual transmission. This is the last year for the V6305 engine in the regular size truck.
The remaining engine choices ranged from the bottom choice of a six-cylinder 250-cubic-inch model putting out 140 horsepower to an eight-cylinder 396-cubic-inch model producing 310 horsepower.
1969 GMC 2500 V6 305L Question The reason I bought my 67 was for the 351 V-6. Dont miss whats happening in your neighborhood. Please Note The Following. They are great engines lots of low end torque they have a unique sound to them and you will not find a tougher gas engine.