Thinking about this for my A4,b5 2.8 Quattro.
I know someone had transplanted a S4 engine before. Is it as simple as a straight swap? i expect not, if so what else needs to be done, other than brakes upgrade? Ecu remap or replacement Ecu?
What about an Rs4 b5 engine? is there anything thats not quite compatable with my a4 is pre facelift. I presume the b4 RS4 engines are as rare as hens teeth too.
looking at this: