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Pro Modified. Pro Modified, also known as Pro Mod, is a class or division in the sport of drag racing used in the NHRA and FIA (quarter-mile) and the Professional Drag Racers Association (PDRA) (eighth-mile). It is similar to the Top Doorslammer class as defined by the ANDRA.
Modified stock car racing, also known as modified racing and modified, is a type of auto racing that involves purpose-built cars simultaneously racing against each other on oval tracks. First established in the United States after World War II , this type of racing was early-on characterized by its participants' modification of passenger cars ...
Supermodified racing. An ISMA supermodified. Note the extreme weight offset and the engine mounted outside of the central frame rails. Supermodifieds are a class of open wheel race car that compete on paved short tracks throughout the United States of America and Canada. The class was founded in the 1950s and is especially popular in the ...
The NASCAR Whelen Modified Tour (NWMT) (previously the NASCAR Winston Modified Tour and NASCAR Featherlite Modified Series from 1985 until 2005) [1] is a modified stock car racing series owned and operated by NASCAR in the Modified Division. The Modified Division is NASCAR's oldest division, and is the only open-wheeled division that NASCAR ...
The Generation 4 car was the NASCAR vehicle generation used from 1992 to 2007 full-time in the NASCAR Cup Series, [1] in the Busch/Nationwide Series until 2010, and in the ARCA Racing Series until 2017. The generation has been described as the generation that removed all "stock" aspects from stock car racing and was as aerodynamically sensitive ...
Quarter midget racing is a form of automobile racing. The cars are approximately one-quarter (⁄4) the size of a full-size midget car. The adult-size midget being raced during the start of quarter midget racing used an oval track of one-fifth of a mile in length. The child's quarter midget track is one quarter that length, or ⁄20 mile (264 ...
The 5.4 L features multi-port fuel injection, roller finger followers, fracture-split powder metal connecting rods, and in some applications a forged steel crankshaft. [54] The 2-valve SOHC 5.4 L engine was on the Ward's 10 Best Engines list for 1997–1998 and 2000–2002. Vehicles equipped with the 16-valve SOHC 5.4 L include the following:
IMCA Modified. IMCA Modified is the top modified division sanctioned by the International Motor Contest Association. [1] The series began in 1979. It was designed to be a mid-level class between late models and hobby stocks. [2] The first IMCA modified race was held at the Benton County, Iowa Speedway in 1979 on a 1/4 mile track.