.Geeze Tech... ..not sure what ya mean. .. ....S. Berkelsnort keeps coming up with "demented".... ..........Steve47....I've never paid much attention to numbers when rating HP....The money numbers to afford the things take precedent..I think it depends on just what you want it to do...I'm working on a 1965C10 Chev truck with a 230CID in line that I plan to leave pretty much stock except for dual exhaust..Even the three on the tree shift...Its cheap to run and fun to drive...The inlines aren't so good for high speed but you can build them to get there in one hell of a hurry..In the days when Ferd flatheads ruled them guys feared the GMC..(Jimmie) 270L6...for one...A guy has to have had the chance to drag race one once to get the gist of the mighty power these engines can produce... To make a living I have to work on Japcrapper rice burners because everyone has em..there is always something wrong with em..the flatrate hours are excellent..the mark up on the parts is good..But I enjoy the time on GM inlines..no matter when built...I have them clear back to 1929..............292L6=long stroke=low end torque camshaft=tri power carburetion=cast iron dual exhaust=burned out glasspack muflers=dual point distributer=Horse power.???......LOTS.!!!.....The thing was a stimp puller from the gitty up.........Ok.Ok...Berkelsnort says I've rattled on long enough.......He can be such an overbearing SOB.......