hey i was just wonderin if anyone has good turbocharger information.

I found this website where it showed the most pounds of boost for a turbo,horses,and what cars they came out off and some graphs.

i couldn't find it again and i can't really find any good information on turbo's that come off of cars. i'm tryin to find a turbo from a junkyard off of a car beause that would be the cheapest way to build my custom turbo kit. any information would help. thnx