Sex comes first

For the T-Birds, sex is all that matters.

In fact, the group are so immersed with the ideal of sleeping with the girls, it becomes clear that they will do whatever it takes to get it.

During the famous song 'Grease Lighting', Kenickie Murdoch (Jeff Conaway) reveals that one of the main objectives of modifying the car is to make the "chicks cream", which isn’t very classy.