There's some Audi content in this-
http://www.autooninfo.net/NAEd200804BestAndWorstEngines.htm
But here's some old-time stuff-
http://www.popularhotrodding.com/features/0408phr_worst_automobile_engines/index.html
Never Fear! Magic Goop is here!
http://www.heal-a-seal.com/NorthStar.html
Tata-