Me and my friend were chatting recently and he suddenly brought up the topic lift hood.
I remember some guys who lifted their hood slightly higher at the part near the front wind shield told me that it is a method to let the hot air in the engine bay escape.

But according to my friend, by lifting the hood up, when you are traveling at higher speed, the air traveling above the bonnet is faster than the air traveling inside the engine bay therefore it generates lift which reduces the...