This may seem like a very basic question considering you are already in the process of buying a new camshaft but you have to ask yourself next: What really is this engine for? They’re typically used on older cars or those that aren’t driven much. Regular heads – These heads also use tech valves, but they don’t offer as good of a performance as Vortec heads. They require premium fuel, so be sure to choose one that offers the best performance with your engine type. Vortec heads use tech valves and provides good performance and fuel economy. This is the most common type of head-on a 350-powered car.
Vortec heads – This is the most common type of head on a 350-powered car.
