The types of engines you'll learn about in this section include diesel, rotary, HEMI, stirling and quasiturbine, to name a few. You'll also see photos and animated images of the technologies we explore.
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Chevy 409-cid V-8 Engine

The high-revving 409 Chevy V-8 was a favorite of racers and hot rodders. Its most glamorous home was in the lmpala Super Sport. The 409 was the standard-bearer in full-size Chevys until 1965. Learn more about it.

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  • How does an electric water pump benefit your engine?

    How does an electric water pump benefit your engine?

    The traditional water pump is a relatively simple, belt-driven component. But could an electric water pump be more efficient and more in tune with your engine's specific cooling needs? See more »

  • How HEMI Engines Work

    How HEMI Engines Work

    Even if you don't know much about cars, the word "HEMI" might still mean something to you. It's become a synonym for big, powerful engines. See more »

  • How In-wheel Motors Work

    How In-wheel Motors Work

    It's possible that someday there may be no need for a lot of the components that you currently find under the hood of a car or truck. That is, if the vehicle is equipped with in-wheel electric motors. See more »

  • How Opposed Piston Opposed Cylinder (OPOC) Engines Work

    How Opposed Piston Opposed Cylinder (OPOC) Engines Work

    Internal combustion engines aren't going away anytime soon. And since a practical alternative can't be ready for use within the next few years, we need a better internal combustion engine in the meantime. See more »

  • How Quasiturbine Engines Work

    How Quasiturbine Engines Work

    The quasiturbine engine takes the Wankel concept and improves on it: Instead of three combustion chambers it has four and the setup of a quasiturbine allows for continual combustion. Learn all about the quasiturbine. See more »

  • How Rotary Engines Work

    How Rotary Engines Work

    A rotary engine is an internal combustion engine, but it's not like the one in most cars. Learn about the unique rotary setup and how it compares performance-wise to a piston engine. See more »

  • How Sleeve-valve Engines Work

    How Sleeve-valve Engines Work

    The sleeve-valve engine may have already been dismissed as a historical relic; however, at least one company is seeking to bring the sleeve-valve engine back into action -- with a few modern twists. See more »

  • How Stirling Engines Work

    How Stirling Engines Work

    The Stirling engine is a heat engine that is vastly different from the internal-combustion engine in your car. It has the potential to be more efficient than most types of engines, but it hasn't made it into mass production yet. Find out why. See more »

  • How the Grail Engine Works

    How the Grail Engine Works

    The Grail Engine takes a variety of modern, cutting-edge engine technologies and puts them all together in one package. Honda and Ford have already shown interest -- should the rest of us? See more »

  • How the Hüttlin Spherical Engine Works

    How the Hüttlin Spherical Engine Works

    It may take a bit of time to understand how this ball gets rolling; but once you get it, you'll see how it just might take hybrid auto engineering to the next level. See more »

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