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Ford NASCAR engine. NASCAR engine bay. 1987 Ford Thunderbird stock car engine. Chevrolet NASCAR V-8 motor. Ford V-8 stock car engine. NASCAR, the highest governing body and top level division for stock car racing in the United States, has used a range of different types of engine configurations and displacements since its inaugural season in 1949.
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]
In 1982, NASCAR's then-new second-tier series (currently known as the NASCAR Xfinity Series) competitors began looking at alternatives from the 5-litre based (311 cu in (5.1 L) engines, as in short track racing there was a push for six-cylinder engines to save on costs, with some series allowing weight breaks.
When the series first started, the cars ran a V6 engine with a maximum 274 cu in (4,490 cm 3) displacement and no compression limit. In the early/mid 1990s the V8 engine with a 9.5:1 compression and maximum 358 cu in (5,870 cm 3) displacement was introduced to the series as an alternative to the V6 engines. Due to the decrease in popularity of ...
The trucks of Lance Norick (No. 90) and Terry Cook (No. 88) racing in 1998 Ford F-150 Chevrolet C/K. The idea for the Truck Series dates back to 1991. [1] A group of SCORE off-road racers (Dick Landfield, Jimmy Smith, Jim Venable, and Frank "Scoop" Vessels) [2] had concerns about desert racing's future, and decided to create a pavement truck racing series.
In addition, Toyota examined the engines of Kyle Busch and Martin Truex Jr. after their cars experienced engine failures during the race. [113] At the 2022 Autotrader EchoPark Automotive 500 at Texas, Cody Ware survived a hard crash, colliding with the turn 4 wall before violently hitting the pit wall. [ 114 ]
The Petty team was penalized 104 points and fined $35,000 for the rule violations involving the tires and engine. [4] [5] The engine was determined to be 381.983 cubic inches (6,259.58 cc), [4] [5] well over the specifications in the NASCAR rulebook for 1983 which stipulated a maximum of 358 cubic inches (5,870 cc).
A NASCAR Cup Series engine with the maximum bore of 4.185 inches (106 millimeters) and stroke of 3.25 inches (83 millimeters) at 9,000 rpm has a mean piston speed of 80.44 fps (24.75 m/s). Contemporary Cup engines run 9,800 rpm, 87.59 fps (26.95 m/s), at the road course events, on Pocono Raceway 's long front stretch, and at Martinsville ...