Turbos are old. It's outdated, out of step with today's technology, and is a cheap, unreliable bang-for-the-buck way to make a car fast. If anyone can do it, its no achievement. Variable valve timming takes some fantastic engineering and precision crafting that Dodge just can't do. Plain and simple. Dodge Neons are rough, buzzy, and terribly annoying to drive to begin with in base form. You think a turbo'ed engine will be any quieter? It's just a cheap piece of plastic that's really fast. wow.