Again, I really appreciate all this information you’re sharing. I hope that other people in my situation will take advantage of it. This said, I would like a piece of advice regarding what you just said about buying a complete 4efte engine with &0k Km from Japan. The shop that would research and buy the engine for me told me they never had a single issue with JDM engines shipped from Japan. My concern comes after what you said that the engine could be damaged or close to a brake-down. As the engine only would cost me at least €2600, €1000 labor to swap it with the 4efe Corolla E11. On top of it I would have to buy the water pump, the belts, the fuel pump, the exhaust and other parts you suggested. Just to run properly. On top of this there would be modifications I would do in the future such as a new turbo and other tricks you listed in order to gain power but not exaggerating to avoid issues. I want to make sure that I would be able to drive the car without destroying it. I don’t want to open the engine. It would cost too much.
thanks!