3/20/2018
As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Gatornationals event, the following changes have been made.
The horsepower rating for 93-98 GM Camaro, Firebird, entries with the 350 cubic inch engine and a factory rating of 275-285 currently rated at 358, has been increased by twelve horsepower, to 370 horsepower; for Stock Eliminator.
The horsepower rating for 70-71 Mopar Challenger, Barracuda, entries with the 426 cubic inch engine and a factory rating of 425 currently rated at 434, has been increased by fifteen horsepower, to 449 horsepower; for Stock Eliminator.
The horsepower rating for 1976 Ford Mustang, entries with the 302 cubic inch engine and a factory rating of 133 currently rated at 133, has been increased by seven horsepower, to 140 horsepower; for Stock Eliminator.
The horsepower rating for 1967 Ford Shelby, entries with the 428 cubic inch engine and a factory rating of 355 currently rated at 382, has been increased by thirteen horsepower, to 395 horsepower; for Stock Eliminator.
NHRA's 2018 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 March 20, 2018.