[Audifan]

Originally Posted by briang9

Someone put a C5 RS6 engine in an S8 some years ago, seem to remember heat was an issue then too.

https://audisrs.com/rs6-engine-on-s8...4cd9b6c7c451a3

I see the member "RS8" has done that swap and it's very impressive! I'm not looking to turn my S8 into a race car. I'm just looking to add some extra power to the car nothing crazy.