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.

Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of time ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

Honda engines have a reputation for smoothness and refinement. But these characteristics were never the goal; they are a natural byproduct of founder Soichiro Honda’s pursuit of engineering excellence ...