MARK1959,
That's one of the great things about the Superchips/MSD system, you don't have to adjust anything and it monitors the engine temp, boost level, oil temp, propane temp and a bunch of other things I can't remember before it'll let you have any propane. That's why it's so safe and you can run it as is comes out of the box. Or you can hook up a laptop to it and modify it to match the mods you have done to your truck specifically. Relying on boost only, works in most cases but what if the MAP sensor goes out of wack, with the MSD system you have rendundant back up systems to make sure you don't hurt an engine.
Mark @ DPPI