Sorry if i've come across as a bit of a negative nancy.
Its just you hear alot of stories like "I just wacked up the boost on my turbo and took the car down the road and now im sweeping up bits of my pistons?? why is this?" sorta thing.
Best way to keep an engine running tidy....leave it alone lol. Unless you have a good knowledge of mechanics and are familiar with the pro's and con's of your engine, whats solid, whats a common fault etc..