An oil separator – or catch can – can be a very important component that shouldn’t be overlooked whether you’re swapping a modern engine into a classic car, or you own a modern vehicle. But if they’re so good, why don’t new cars have them?

Champion Cooling Systems
An oil separator – or catch can – can be a very important component that shouldn’t be overlooked whether you’re swapping a modern engine into a classic car, or you own a modern vehicle. But if they’re so good, why don’t new cars have them?