This is the first article in a 3-part series. Part 1 covers the basic principles of engine displacement and how effectively an engine draws in the air-fuel mixture it needs…

This is the fourth and final part of a 4-part series on engine cycle theory and classification. Part 4 covers fuel classification, diesel engine cycles, multi-cylinder architecture, rotary engine construction,…

This is the third article in a 3-part series. Part 3 covers the geometric relationships inside the engine cylinder, including bore and stroke, compression ratio, and how these dimensions affect…

This is the second article in a 3-part series. Part 2 covers how engine efficiency is measured and classified, including the difference between thermal and mechanical efficiency, the various definitions…

This is the first part of a 4-part series on engine cycle theory and classification. Part 1 covers the basic operating cycles of four-stroke and two-stroke engines, including their mechanical…

This is a 4-part series. Part 4 covers how magnetism is created at the atomic level, how it generates electricity through induction, and how semiconductors like diodes and transistors control…

This is a 4-part series. Part 3 covers how circuits are arranged in series, parallel, and series-parallel configurations, along with how voltage drops across loads and how the vehicle's chassis…

This is a 4-part series. Part 2 covers how voltage pushes current through a circuit, how resistance opposes that flow, and how to use diagnostic tools to measure these electrical…

Atomic Structure and Electron Flow The operation of all electrical equipment is predicated on the movement of electrons between atoms. Matter consists of atoms comprised of three subatomic particles. Protons…

This article is part of a 6-part series on engine lubrication systems. Part 6 covers how hydraulic lifters use oil pressure to maintain zero valve lash, how oil filters trap…