General Challenger

  • Fuel Delivery Systems

    A carburetor was the common method of fuel delivery for most US-made gasoline engines until the late 1980s, when fuel injection became the preferred method. This change was dictated by the requirements of catalytic converters and not due to an inherent inefficiency of carburation. Basically, a carburetor consists of an open pipe through which the air passes into the inlet manifold of the engine. The pipe is in the form of a venture- it narrows in section and then widens again, causing the...
  • The Meaning of "Mopar"

    Short for the Chrysler Motor Parts Corporation, Mopar made its first appearance in the late 1920s and became its own brand in 1937. The name Mopar was created by a committee to market cans of "Chrysler Motor Parts" antifreeze. From there, the Mopar catalog expanded to include waxes, cleaners, filters, engine parts and more. Now, in its 85th year, Mopar encompasses the full line of Fiat Chrysler Automobiles parts, accessories, and customer service, including Fiat and Alfa Romeo brands...
  • Mopar Automatic Transmissions

    Modern automatic transmissions can trace their origins to a gearbox that was developed in 1904 by the Sturtevant brothers. This unit had two forward speeds, the ratio change being brought about by flyweights that were driven by the engine. At higher engine speeds, high gear was engaged. As the vehicle slowed down and engine rpm decreased, the gearbox would shift back to low. One of the key developments in arriving at an automatic transmission was the use of planetary transmission in the...
  • The Elephant: A History of Chrysler’s Hemi Engine

    Not sure how this will work, but is a great article [URL]https://thecaraficionada.com/history-chryslers-hemi-engine/[/URL]
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