In Part One of this series (January '93), we discussed how an internal-combustion engine heats a fuel-and-air mixture to convert it into mechanical energy. In February, we reviewed how a four ...

Carbureted engines may seem like a relic of the '60s and '70s, but the final carbureted pickup sold in the U.S. was available well into the 1990s.

In an era dominated by electric drivetrains and over-the-air software updates, one Florida teenager has built a fast-growing company around a piece of hardware many drivers barely remember: the ...

If you've got a bit of knowledge about gasoline-powered cars, you likely know that internal combustion happens when fuel and air are mixed, a spark is introduced, and the fuel burns inside the engine.

Tuning a carburetor-equipped engine to perform its best with the reformulated unleaded gasoline of today can prove to be a challenge for many kit car owners and builders. Back in the days of leaded ...