new turbo, advice needed

[s13eater]

Originally Posted by rob turbo

so, as a silly question, what is the real difference in buying a cheap turbo to one thats nearly a K, lets say a GT30/35.. then, they all do the same job by basicly blowing air into the engine, can any one advise.. im looking at a cheap one myself..

prbley the quality of the metal, casting, and assembly.