If you’ve ever looked at the long history of engines and wondered why automakers have tried everything from tiny three-cylinders to hulking sixteen-cylinder monsters but never a seven-cylinder, you’re ...

This video explains why 7-cylinder engines are almost never used in car manufacturing. From engineering balance and firing order issues to manufacturing efficiency and market demand, the video ...

Well, it turns out the humble number seven just doesn’t play nice with the laws of physics – or with accountants. One problem noted by Auto Motor under Sport in a recent article is that the crank ...