Skip all the drama and let somebody with a few million dollars do the R&D on a turbo inline six- - - -Transplant a 3.0 Liter Toyota Supra turbo engine into your truck. I've seen dyno run information on some of those engines in the 700-1100 HP range with just a little tinkering with the fuel injection system and some extra boost.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!