As the result of runs under the Automatic Horsepower Factoring System (AHFS) 1.20-second under policy at the NHRA Four-Wide event, the following change has been made.

The horsepower rating for 1986 Chevrolet C10, entries with the 350 cubic inch engine and a factory rating of 165 currently rated at 203, has been increased by nine horsepower, to 212 horsepower; for Stock Eliminator.

NHRA's 2016 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 26, 2016.