thats not fair. you are comparing sae gross 1970 to sae net 1976. sae gross is naked engine on a stand without any accessories. in the same wiki link you can f

thats not fair. you are comparing sae gross 1970 to sae net 1976. sae gross is naked engine on a stand without any accessories. in the same wiki link you can find this for 1971. 365 brake horsepower (272 kW), or 235 horsepower (175 kW) in the new SAE net ratings