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Jim Cimarolli · 01-26-2017, 07:36 PM

I think they need to hit the 1969 iron head 396-375 Chevy engine again. Its only @ 412 and everybody knows it was originally rated @ 425 in 1965.

01-26-2017, 07:36 PM	#2
Jim Cimarolli Senior Member Join Date: Mar 2002 Location: Sulphur Springs Texas Posts: 743 Likes: 146 Liked 166 Times in 46 Posts	Re: More NHRA horsepower factors I think they need to hit the 1969 iron head 396-375 Chevy engine again. Its only @ 412 and everybody knows it was originally rated @ 425 in 1965.