Join Date: Mar 2018
Location: South central Michigan
Re: Street Car RWHP/TQ
Too many variables IMO. Compression ratios, intake and carb options, heads, etc. to hazard a guess... The average horsepower of a 1970 and older BBC is going to be more than '71 and newer, primarily due to a drop in compression ratios I'm guessing - don't know for sure 'tho...just my .02.