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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).
Until the early 2000s, sprint cars in Australia were restricted to 6200 cc (372 cui) V8 engines as opposed to the 410 cui (6.7 L) engines used in the United States and New Zealand. Brian Healey, the Sacramento-based Australian who owned Parramatta City Raceway, pushed for the change in 2003 to follow both nations to 410.
Just one year later, in June 1979, another engine update arrived and the Alfasud Sprint became the Alfasud Sprint Veloce. [7] Thanks to double twin-choke carburetors (each choke feeding a single cylinder) and a higher compression ratio engine output increased to 86 PS (63 kW; 85 hp) and 95 PS (70 kW; 94 hp), respectively for the 1.3 and 1.5.
The model range comprised the XR6, the XR8 – and from September 1993 – the XR8 Sprint. The latter featured a more powerful 195 kW (261 hp) version of the 5.0-litre "Windsor" V8 engine, courtesy of the performance upgrades fitted to the previous year's Falcon GT "25th Anniversary".
Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.
The Gould GR55, and its evolution, the GR55B, are open-wheel race cars, designed, developed and built by British company Gould Racing, specifically for the British Sprint Championship, since 2003. [4] [5] [6]
Engine offerings for the abbreviated 1971 model year included a 250 cu in. six cylinder or 307 cu in., only the 307 was available for the Sprint option in '71. For 1972, a Pontiac-built 350 cu in. V8 with two-barrel carburetor was added to the option list and became the base V8 for 1973 and 1974.
The 2011 Sprint Cup season was the last complete Cup season with carbureted engines; at the end of the 2011 season, NASCAR announced that it would change to an electronic fuel injection system for the 2012 racing season. [24] NXS cars do, however, continue to use carburetors. However, modern technology has allowed power outputs near 900 ...