As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the Lucas Oil NHRA Nationals event, the following change has been made.
The horsepower rating for 1977 Cadillac Seville, entries with the 350 cubic inch engine and a factory rating of 180 currently rated at 189, has been increased by fourteen horsepower, to 203 horsepower; for Stock Eliminator.
NHRA's 2015 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 Aug. 24, 2015.