Horsepower ratings history lesson anyone?

[Marv S]

Look under "SAE GROSS HP".
http://www.connect.ab.ca/~barachj/car-dics.htm

 

[Ron]

<FONT face="Comic Sans MS">For GM at least, 1970 was a gross rating year and the last year for high compression. 1971 they rated the engines both in gross & net. In 1972 all rating were net.</FONT f>

 

[phiebert]

For us simpletons, here is another good horsepower explanation page http://www.howstuffworks.com/horsepower.htm

It also has a link to a block and tackle explanation so if you are ever thinking of hoisting your engine out or considering lifting your Viper to the ceiling so you can put another car in it's space and you don't have a block and tackle...