keffreg

Hey guys well I am new to this whole homemadeturbo stuff I have a 06 scion tc and want to start a homemade DIY turbo kit for it I dont have alot of money so I would like to know what kind of turbo I should be looking for looking for a junkyard turbo if i can I am just a little confused on how to choose because most OEM turbo's aren't T3 so I i just get one and change the hotside or make an adapter to fit ? or is there somewhere I can get a custom adapter for this setup ? if anyone could help that would be awesome tks