Strange things about the brain.
You are going to sleep and the computer is off. Then suddenly, there is a bat! - in the head arises from anywhere take the phrase "push engine". And immediately it becomes necessary to find out what it is and how it looks. The internet is off! And to fall asleep without this necessary for some reason at night looking at the knowledge of this sinful force is not possible!
And here you go looking for your father’s old car repair book, and there is happiness! There is even a picture with a visual schematic image of this wonderful mechanism.
and all! Now the satisfied brain will let you sleep.
And here’s the most interesting thing about all this – why did I need this information about the forsunka?