Vintage Truck Engine, Brakes, & Transmissions Restoration - Night School
|
Do you recognize this valvetrain layout? It's the original 318A poly spherical design. 1959 to early '67 model Dodge trucks featured the poly head. A compromise between the true hemispherical and wedge head designs, poly spherical combustion chambers improve performance. As you can see, assembly is more complex--we'll have to talk about that. View Related Article
|
|