Originally Posted by onehundred80
There was an F1 car that had a fan underneath that evacuated the air, when the engine was revved the car noticeably lowered due to the lower pressure under the car. They said it was to cool the engine and got away with it for a while. The trouble was if it rose of the ground too much at high speed it lost the down force and became dangerous.
I don't recall a F1car with that, but I do remember the '70 Chaparral 8J race car.
