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A starter class for striving sprint car enthusiasts. 250/270cc single-cylinder two-cycle and 600 cc are the most popular micro sprint classes. They run side-mounted 600 cc motorcycle engines developing around 140 hp and are chain driven. They have chassis and bodies styled like those of full-sized sprint cars or midgets.
IMCA Latemodel – full-bodied late model race cars; IMCA RaceSaver Sprint Car – traditional 305 non-winged and winged sprint cars; IMCA Stock Car – full-bodied production stock cars; IMCA Hobby Stock – 8-cylinder rear wheel drive entry-level division; IMCA Northern Sport Modified – same as modifieds but with smaller engines and more ...
Knoxville Raceway is a semi-banked half-mile dirt oval raceway (zook clay) located at the Marion County Fairgrounds in Knoxville, Iowa.Races at the "Sprint Car Capital of the World" are held on Saturday nights from April through September each year.
NASCAR logo. The National Association for Stock Car Auto Racing (NASCAR) makes and enforces numerous rules and regulations that transcend all racing series.. NASCAR issues a different rule book for each racing series; however, rule books are published exclusively for NASCAR members and are not made available to the public. [1]
Regular events include 410 cubic inch sprint cars, 305 cubic inch sprint cars, and dirt trucks. In 2024, the World of Outlaws sprint car series returns to the speedway for the first time since 2016. The speedway has previously hosted the All Star Circuit of Champions, National Sprint Tour, and United States Auto Club.
Sprint Cars are powered by a naturally-aspirated, methanol-injected overhead valve V-8 engines; with a displacement of 410 cubic inches (6.7L) and capable of engine speeds approaching 9000 rpm. [3] A lower-budget and very popular class of sprint cars uses 360-cubic-inch (5.9L) engines that produce approximately 700 horsepower (520 kW).
The sprint format continues in Formula 1 this weekend as the US Grand Prix hosts the fourth sprint weekend of the 2024 season.. The sprint was first introduced in 2021 at Silverstone as a way of ...
However, certain engine sizes were common, and could be considered the "standard" Offenhauser engines: [7] 97 cu in (1.59 L) - to meet the displacement rule in many midget series; 220 cu in (3.6 L) - displacement rule in AAA (later USAC) sprint cars; 270 cu in (4.4 L) - displacement rule for the Indianapolis 500 under AAA rules [11]