I love tuning cars! I recently bought myself a very nice steering wheel on the Mercteil website. If you need it, go there. And now I want to talk to you about engine tuning. Engine tuning is the most difficult, but perhaps the most common type of car tuning. Before the processor technology came in the automotive industry, engine tuning was performed by making changes in the design: boring of cylinders, increasing the diameter of the throttle, the installation of “sports” camshafts and others.