NASCAR Announces Change In Carburetor Restrictor-Plate Openings

Posted by imelda sovzky on Monday, June 7, 2010

By In Play Magazine

New Size In Effect For July 3 Event At Daytona International Speedway

DAYTONA BEACH, Fla. (June 7, 2010) – NASCAR has announced that NASCAR Sprint Cup Series teams will use carburetor restrictor-plate openings of 1 1/32 inches for the July 3 event at Daytona International Speedway. The previous plate at Daytona last February was 63/64-inch.

This equates to a .074 (square inch) area increase per opening for air intake.

Monday’s announcement pertains only to next month’s Coke Zero 400 Powered by Coca-Cola – the last NASCAR Sprint Cup Series event on the current Daytona asphalt. The 2.5-mile, high-banked superspeedway will be repaved prior to the 2011 Daytona 500.

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