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Clint · 08-26-2010, 05:29 PM

Dean,

LS1 in a 99 bird w/auto is 342 hp in stock.

I believe this rule is new for IHRA in 2010, but nonetheless if there is a difference in rating between the ram air and flat hood, you have to take the higher hp rating regardless of hood you are running.

Hope this helps...

Clint Blezien

08-26-2010, 05:29 PM	#5
Clint Junior Member Join Date: Oct 2002 Location: Wood Dale , IL Posts: 50 Likes: 2 Liked 0 Times in 0 Posts	Re: IHRA hp and weights Dean, LS1 in a 99 bird w/auto is 342 hp in stock. I believe this rule is new for IHRA in 2010, but nonetheless if there is a difference in rating between the ram air and flat hood, you have to take the higher hp rating regardless of hood you are running. Hope this helps... Clint Blezien