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发帖数: 12289 | 1 A Restrictor plate or air restrictor is a device installed at the intake of
an engine to limit its power. This kind of system is occasionally used in
road vehicles (e.g., motorcycles) for insurance purposes, but mainly in
automobile racing, to limit top speed and thus increase safety, to provide
equal level of competition, and to lower costs.
NASCAR
NASCAR's NEXTEL Cup and Busch Series currently uses restrictor plates at Day
tona International Speedway and Talladega Superspeedway. NASCAR routine |
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