Horsepower adjustments following the NHRA Toyota Nationals event in Las Vegas, NV

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10/31/2017

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

The horsepower rating for 88-89 GM RWD, entries with the 350 cubic inch engine and a factory rating of 230 currently rated at 270, has been increased by nine horsepower, to 279 horsepower; for Super Stock GT 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 Oct. 31, 2017.

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