hmmm....since it is happening while he is driving what difference will it make? It does mention drag racing, but it still applies normal driving and would work the same.

Anyway, his main concern is airflow and this was just an answer to the slowing the coolant down theory that so many believe in. I am not here to start a 3 page argument in semantics of the article. You can choose whether or not you think/believe this will work on a daily driver.