General Challenger

  • Drag Racing Primer- Tips with Street Tires

    Here are some drag racing tips to make your trip to the drag strip safe and successful. Before you arrive at track Remove the floor mats, child seats (if applicable) and other non-essential cargo. Every bit of weight you remove can help. Try to plan so you have about ¼ tank of fuel when you arrive. Extra fuel adds weight and you won’t need more than ¼ tank. Don’t show up with your tank on empty. The fuel is usually expensive at the track and you don’t want to be “running on fumes.”...
  • Mopar Engine Colors

    Automobile engines are usually painted bright colors, like red, orange or blue. This just isn’t for appearance. There is a practical purpose. Bright colors enable leaks to be spotted easily. Here is a list of engine colors (and paint codes) used by Mopar, from 1962 to 1971. Race Hemi Orange- Mopar P4120751 1962-1964 Max Wedge engines (413 and 426 Cross Ram) 1964-1965 426 Race Hemis Street Hemi Orange- Mopar P4349216 1966-1971 426 Street Hemis 1969-1971 High performance 383 and 440...
  • How Do Navigation Systems Work?

    Getting lost while driving, or stopping at a gas station to ask for directions, has become a thing of the past. With GPS in your car’s navigation system, in the portable navigation device on your dashboard, or in your smartphone, it is easy to pull up a map and see where you are, or get directions to where you are going. GPS makes you safer, routes you around traffic delays and helps you find nearby services. GPS (Global Positioning System), a technology we now take for granted, started...
  • 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...
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