If yo by a short engine, you can look for damages. If you buy a complete Engine you do not know what the pre-owner did with the engine. You can be lucky an find an well maintained engine or a more worse engine than yours.
Gude Mario
Audi 100 CD Autom. Bj.83
Audi 200 20v Bj.89
Audi 5000 Bj.85
Audi V8 3,6 Autom. Bj.88
