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Allen Wilson III · 09-09-2020, 01:02 PM

NHRA has announced that the Automatic Horsepower Factoring system will be used during the 2021 NHRA U.S. Nationals event. All runs made by Stock and Super Stock competitors at any time during the event will count towards class averages, and will be used to trigger index or horsepower adjustments

09-09-2020, 01:02 PM	#1
Allen Wilson III Junior Member Join Date: Aug 2016 Posts: 42 Likes: 79 Liked 36 Times in 13 Posts	AHFS active for 2021 US Nationals NHRA has announced that the Automatic Horsepower Factoring system will be used during the 2021 NHRA U.S. Nationals event. All runs made by Stock and Super Stock competitors at any time during the event will count towards class averages, and will be used to trigger index or horsepower adjustments