4/24/2023
As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.30-second under policy at the NHRA Division 2 event, the following change has been made.
The horsepower rating for 1987 Chevrolet Caprice, entries with the 262 cubic inch engine and a factory rating of 140 currently rated at 149, has been increased by eight horsepower, to 157 horsepower: for Stock Eliminator automatic.
NHRA's 2023 Automatic Horsepower Factoring System outlines that any run of 1.30-seconds or more under the index will receive an immediate index decrease or horsepower increase. These changes are effective April 24, 2023.