I'm sure it is a 'non-lubricated' supercharger that would be in the Contour kit. Powerdyne has been making them this way for several years. I think the disadvantage is you can't run them up as high, but 6psi should be easy for it to do reliably. No idea if the running the oil lines to and from the Vortech is a pain in the ass, but it sure sounds like it! Still, I can't belive it will really be a 'simple, DIY job' after what the guys with Vortechs went through, regardless of the lubrication method.