As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the Automobile Club of Southern California NHRA Finals, the following change has been made.
The horsepower rating for 2012 Ford Cobra Jet, entries with the 330 cubic inch engine and a factory rating of 450 currently rated at 465, has been increased by sixteen horsepower, to 481 horsepower; for Stock Eliminator.
NHRA's 2011 Automatic Horsepower Factoring System outlines that any run of 1.20-seconds or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective Nov. 15, 2011.
