8/22/2017
As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the Brainerd event, the following changes have been made.
The horsepower rating for 1986 Chevrolet C-10, entries with the 350 cubic inch engine and a factory rating of 165 currently rated at 212, has been increased by ten horsepower, to 222 horsepower; for Stock Eliminator.
The horsepower rating for 1978 Buick Regal, entries with the 231 cubic inch engine and a factory rating of 150 currently rated at 154, has been increased by six horsepower, to 160 horsepower; for Stock Eliminator.
NHRA's 2017 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. 22, 2017.