Originally Posted by stefan

First of all, having a crankshaft coated is very critical. We have once sent 5 cranks for coating for €25 each. on 3 of those cranks the crank pin broke of within the first liter.

Secondly, if the performance of the EVO4 is just marginally lower than the XXX, why would I buy an engine that is €50 more expensive and then spend an additional € 20-30 to have the crank coated.

In this case, the XXX would have to be much much better than the EVO.
That's the reason I asked the question about comparison of EVO 4 STI and XXX