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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). [4] [5 ...
Following testing and input from drivers such as David Pearson, Bobby Isaac, and Bobby Allison, NASCAR mandated the use of a restrictor plate for the big-block seven-liter engines. Small-block engines, in the 358 cubic inch range, were exempt from the plates; the first car to race with a small-block engine was Dick Brooks at the 1971 Daytona ...
Sprint cars are open-wheel race cars, designed primarily for the purpose of running on short oval, circular dirt or paved tracks. Historically known simply as "big cars," distinguishing them from "midget cars," sprint car racing is popular primarily in the United States and Canada, as well as in Australia, New Zealand, and South Africa.
Dirt track racing is a form of motorsport held on clay or dirt surfaced banked oval racetracks. Dirt track racing started in the United States before World War I and became widespread during the 1920s and 1930s using both automobiles and motorcycles, spreading throughout Japan and often running on horse racing tracks.
One popular idea was to use 231–275 cu in (3.8–4.5 L) six-cylinder engines; instead of Cup Series' 358 cu in (5.9 L) V-8s. [5] [6] [7] In 1989, NASCAR changed rules requiring cars to use current body styles, similar to the Cup cars. However, the cars still used V6 engines. The cars gradually became similar to Cup cars.
Engine: 90° pushrod V-8 358 cubic inches (5,870 cc) naturally-aspirated FR layout: Transmission: 4-speed manual: Weight: 3,450 pounds (1,560 kg) (Gen 5) 3,250 lbs (Gen 6 Sprint Cup) 3,200 lbs (Xfinity) Fuel: Sunoco 260Gtx 98 octane race fuel: 2007–2011 Sunoco Green E15 98 octane race fuel: 2011–2012: Tires: Goodyear: Competition history ...
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]
Schatz is son of Danny Christ Schatz, a sprint car driver in the 1970s, and Diane Korgel. He started his racing career at 11 in go karts, and moved to 358 sprint cars as a 15-year-old at Red River Valley Speedway. Schatz moved to 410 sprints and The World of Outlaws series three seasons later as an 18-year-old.