KL MotoPark

National Association for Stock Car Auto Racing, sanctioning and oversight body for NASCAR racing founded in 1948

Produced specifically as a fuel for drag racing, it is the result of a chemical reaction between nitric acid and propane

Set of codes that co-driver calls out to driver so that latter knows what is coming up ahead. Each crew has their own way of doing notes even though many are very similar. These codes normally consist some way of measuring distance (usually numbers like "5" for 50 meters) and another way to measure severity of the corner (like "K" for 90 degree turn). Notes also contain various extra words to caution, remind or control the driver (like "keep line" or "stone in")