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Horsepower adjustments following the Lucas Oil NHRA Nationals event in Brainerd, MN


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.