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The National Hot Rod Association (NHRA) is a governing body which sets rules in drag racing and hosts events all over the United States and Canada. With over 40,000 drivers in its rosters, the NHRA claims to be the largest motorsport sanctioning body in the world.
Cars usually have a protective roll cage and run race tires (either slicks or radials). Some freedoms are allowed, like gearbox coolers, giving the cars increased performance and components longevity. Production car racing, known in the US as "showroom stock", is an economical and rules restricted version of touring car racing. [21]
There are many different roll cage designs depending on the application. Hence, various racing organizations have differing specifications and regulations, although most of these organizations harmonize their rules with those of the FIA. [1] Roll cages help to stiffen the chassis, which is desirable in racing applications. Racing cages are ...
Allen Johnson's Mopar Dodge Avenger Pro Stock. Pro stock is a class of drag racing featuring "factory hot rods".The class is often described as "all motor", due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used.
Richard Hartman, a crew chief for NHRA Funny Car driver Tim Wilkerson, rebodied a former Wilkerson Funny Car chassis into an Altered, reaching 4.92 seconds in the quarter-mile with a terminal velocity of 304.53 MPH. [22] It is the fastest quarter-mile car currently in the NHRA, as Top Fuel and Funny Car both run only to 1,000 feet.
Less visible precautions include roll cages and fire extinguishers. During safety evaluations in the wake of the fatal crash of Scott Kalitta on June 21, 2008, in Englishtown, N.J., the NHRA reduced the distance of Top Fuel and Funny Car races to 1,000 feet (304 meters) effective July 2, 2008, as later did the National Drag Racing Championship ...
All trucks are equipped with a steel tube roll cage. The SCORE International Rule Book [10] defines and specifies the trophy truck requirements. Gasoline engines are naturally aspirated, and typically Ford or Chevrolet V8 engines, generating in excess of 1100 hp and 950lb-ft of torque. Turbo charged diesel motors are allowed, with a minimum ...
The Motorplex had previously been the NHRA's flagship track but for 1988 it hosted two IHRA national events and was the site of Top Fuel's first 4 second run by Eddie Hill. Other changes included the addition of a 'junior' Pro Stock class for small-block and V6 engines, named Factory Modified, which lasted until the end of the 1990 season ...