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Originally Posted by zzzybil;612748...but under boost draws what 20-30-40 hp and. thats what i meant needs to make more to break even.......of course too many factors to discuss can be the range of 20-40 hp cost right ?..you could have stated that ..... you have unfair advantage - i don't have the knowledge you have [B
i'm just saying[/b] to state draws a third of a hp when not in use and not mention your guesstimate of the expotential multiplication of that number under boost .....sorta unfairly makes me sound like i was wrong...no worries - its like that huh?...lol... 
Never enough of a drain when not under boost that the manufacturers thought it necessary to install a clutch like on your a/c. And net result after boost is what we are loooking for, regardless of or inspite of how much it take sto produce - net gain on a factory 3800 is about 40hp at the crank. I've driven old style turboed Buick GNs and modern (but out of production) 3800 s/c versions and I can tell you the s/c is hands down my favorite - absolutely no lag, absolutely no scheduled maintenance. If the belt breaks, as I have had once, no major issue, just 40 less hp until you replace the belt. On a small 2.4, high revving eco the turbo lag is inconsequential, but the concept that a s/c could be installed instead of a turbo and not require an intercooler except for making more hp, intrigues me more and more.