theres this buddy of mine who has a STOCK ct26 turbo with only 40k miles on it cuz it came of a J-spec used motor that he is selling...what is a good price for it?? also i herd something about UPGRADING it to a 60 trim....by boring it out or compressing at a turbo charger shop.....has any one done this??? and how much??.....is 40 dollars good for that stock turbo and then another 200 to upgrade???? and also how much HP gains will this give me/?