4/16/2018

As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA division 4 event, the following changes have been made.

The horsepower rating for 69-70 Chevrolet Camaro, entries with the 350 cubic inch engine and a factory rating of 300 currently rated at 286, has been increased by ten horsepower, to 296 horsepower; for Stock Eliminator.

The horsepower rating for 90-91 Chevrolet Corvette, entries with the 350 cubic inch engine and a factory rating of 247-260 currently rated at 273, has been increased by nine horsepower, to 282 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 April 16, 2018.