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Dwight Southerland · 07-11-2009, 03:27 PM

On the charts, look at the column of power to weight factors; the factory engine displacement and hp will be at the top, the NHRA factor(s) will be at the bottom. Sometimes there will be multiple columns for the same engine, each with an annotation for the classification. (i.e. Stock manual trans, Stock auto trans, Super Stock manual trans, etc. etc.)

07-11-2009, 03:27 PM	#3
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,001 Likes: 64 Liked 780 Times in 194 Posts	Re: nhra hp refactor ??? On the charts, look at the column of power to weight factors; the factory engine displacement and hp will be at the top, the NHRA factor(s) will be at the bottom. Sometimes there will be multiple columns for the same engine, each with an annotation for the classification. (i.e. Stock manual trans, Stock auto trans, Super Stock manual trans, etc. etc.)