Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum actually used for? Let's take a look.

Chuck Jenckes has exercised his engineering talents at several companies, including the major OEMs in Detroit, Trick Flow, and-now, through his consulting business-Demon Carburetion. Always in demand, ...

The carburetor became too old school and inefficient compared to fuel injection systems. This was the last vehicle in ...