As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the LODRS event 1-6, the following change has been made.

The horsepower rating for 2010 Ford Cobra Jet, entries with the 330 cubic inch engine and a factory rating of 500 currently rated at 552, has been increased by twenty-four horsepower, to 576 horsepower; for Super Stock Eliminator.

NHRA's 2011 Automatic Horsepower Factoring System outlines that any run of 1.20-second or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective Sep. 19, 2011.