I've found that building the Lego Technic Porsche 911 set from a couple years ago really helps a lot with understanding dual-clutch transmission systems. https:

I've found that building the Lego Technic Porsche 911 set from a couple years ago really helps a lot with understanding dual-clutch transmission systems. https://brickset.com/sets/42056-1/Porsche-911-GT3-RS https://brickset.com/sets/42056-1/Porsche-911-GT3-RS