Just found an interesting article explaining why most cars make high-pitched engine noises when driven in reverse - but not when driving forward.
Speaking as someone who doesn't know much about cars, the explanation is fascinating, and well-presented. It's also the same reason that racing cars DO make that noise when driving forward.
Read the rest here.This Is Why Your Car Makes That Weird Whining Sound In Reverse
Have you ever wondered why when you drive in reverse, your car makes that strange, high-pitched whine? Of course you have; youíre a human, or at least something close enough to a human to go on the internet, drive a car, and wonder. Thereís actually a simple, satisfying reason why this happens, so letís kick some ignorance to the curb.