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 ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Understanding the basics of how a clutch system works is valuable for any snowmobiling enthusiast. It can help you diagnose ...

We're going back to basics. The more we learn in the engine-building world, the easier it is to forget some of the basics. So whether you're an old pro or just about to bolt together your first engine ...

Look, all technical mumbo-jumbo aside, turbocharging is actually a pretty simple concept. The objective here is to convert the energy contained in your exhaust stream, which would normally go to waste ...

As most people are aware, the EPA signed the final rule introducing Tier 4 emission standards back on May 11, 2004 to reduce two key pollutants: particulate matter (PM) and nitrogen oxide (NOx) ...