As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the division 3 event, the following changes have been made.

The horsepower rating for 1975 Ford Mustang, entries with the 302 cubic inch engine and a factory rating of 129 currently rated at 134, has been increased by six horsepower, to 140 horsepower; for Stock Eliminator.

The horsepower rating for 1971 Chevrolet, entries with the 454 cubic inch engine and a factory rating of 425 currently rated at 424, has been increased by twenty three horsepower, to 447 horsepower; for Super Stock GT Eliminator.

NHRA's 2016 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 June 1, 2016.