This article is part of a 6-part series, Part 3. It covers how the throttle valve controls engine speed and how the carburetor integrates all its systems into a complete…

This article is part of a 6-part series, Part 2. It explains how the venturi creates vacuum to pull fuel and how the throttle valve controls engine speed. These principles…

This article is part of a 6-part series, Part 1. It covers the basic principles of how a carburetor mixes air and fuel, including the float system and the venturi…

This is the fourth and final part of a 4-part series on automotive exhaust systems. Part 4 covers how the different sections of the exhaust system work together from the…

This is the third part of a 4-part series on automotive exhaust systems. Part 3 covers the materials and sealing methods that keep exhaust gases contained, the different types of…

This is the second part of a 4-part series on automotive exhaust systems. Part 2 covers how exhaust manifolds and headers use scavenging to improve engine breathing, how mufflers and…

This is the first part of a 4-part series on automotive exhaust systems. Part 1 covers the basic engineering principles behind exhaust flow, the main components and their relationships, and…

This is Part 4 of a 4-part series on automotive fuel supply systems. This article covers how electric in-tank pumps create pressure, prevent vapor lock, and keep themselves cool. Seeing…

This is Part 3 of a 4-part series on automotive fuel supply systems. This article covers how pressure spikes are smoothed out, how different pump designs move fuel, and how…

This is Part 2 of a 4-part series on automotive fuel supply systems. This article covers how fuel level is monitored and how mechanical pumps move fuel from the tank…