on the other hand, look at all the high compression turbo motors that have lasted, again, its all in the tuning, if you have control of fuel and timing and keep the boost mild always using the correct grade of gas you wont have a problem, its only when you get stupid thinking your stock computer and some crappy RRFPR setup can handle 10psi is when you get blown motors....again, there are honda guys with 100k+ miles since turbocharging on their 10.5:1 motors, and really 11:1 is not much of a step up....I again refer you back to the book Maximum Boost by Corky Bell, he is after all, an expert, now that being said, I probably wouldnt want to turbocharge an 11:1 engine just because of all the hassle I would have to go through for a small amount of boost, to me installing and tuning a standalone is not worth 10psi....to others it might be