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Old 10-20-2014, 01:19 PM   #168
jimbosprint
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Location: Chico, California
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Re: jimbosprint 1972 C20 - the good, the bad, and the ugly

Quote:
Originally Posted by Xeen View Post
I dunno Jim if GM says it's 260 HP then it's 260 HP they would get called out pretty fast if people found out GM was lying and overstating their HP by 30, I think it's unlikely it's anything less than what they say it is.
Easy to get there with headers, but not manifolds. I read somewhere that was part of the advertised HP rating.
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