Fuel injection systems operate at higher pressures than carbureted systems.  Many design types of electronic fuel injection vary widely in their operating pressures. Throttle body type injection (with injectors mounted above the throttle plates) operate in the range from 9 to 15 pounds per square inch. Port type injection systems (with injectors mounted in the [...]

Hybrid cars and conventional cars share a lot of the same components.  This is because a hybrid car is actually a conventional car with a hybrid package, or system added to it.  The type of hybrid system added to the car can vary widely from a simple system to a complex system depending on how [...]

HVAC is an acronym for Heating, Ventilation, and Air Conditioning system. The name is very obviously derived from the three jobs that it must perform. This driver controlled system heats, ventilates, and cools the interior of the vehicle keeping it comfortable for the passengers regardless of outside climate conditions. The blending of these three jobs [...]

The carburetor is classified by the number of pathways that it uses to allow air to flow into the engine.  These pathways are called venturies, but are more commonly known as barrels.  A small engine may have a one or two barrel carburetor, while larger engines utilize a four barrel carburetor.  For high-performance applications an [...]

Body types have changed a lot over the years and it's a bit more complicated than it used to be. The definitions have been blurred by new models and the combination of new and old to provide greater customer satisfaction.  The following is my best attempt to explain the different models that are available. The [...]