Opps forgot. As stock HP goes a 302 GMC is 160; a 270 is 140. I make close to 400 with my 311" stock head GMC but could not run it on the street. Skinners injected on gasoline made 525 hp in race trim over 6000 RPM and 750 hp on nitro at 5500.

216.158 MPH 12-Port 302 GMC on 70% 171.0 MPH 302 stock head on gasoline 7 years later