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Stocker 2 · 10-20-2018, 09:39 PM

The horsepower change was on the replacement head. The way it was explained to me was that any horsepower change on a replacement head would add weight as a penalty but not change the class factor. Class factor number is based on OEM head and only changed when OEM head gets horsepower.

10-20-2018, 09:39 PM	#3
Stocker 2 Member Join Date: Nov 2002 Posts: 137 Likes: 0 Liked 1 Time in 1 Post	Re: AMX in SS/A The horsepower change was on the replacement head. The way it was explained to me was that any horsepower change on a replacement head would add weight as a penalty but not change the class factor. Class factor number is based on OEM head and only changed when OEM head gets horsepower.