just how far with darryl wallace, junior, go? >> that's going to be the question.come into the sport with a heavy head on your shoulders and be ready to fight. they're not scared to rub up against you and you can't be scared back. show them you're there, too. i'm very excited. got to make the most of it. i got to do better than one win. i really think we got a good shot. >> it's also important to note that without darryl's parenting, he might never have gotten where he is today. his dad, who owns an industrial cleaning business, estimates he investedded more than a million dollars to support his son's career before joe gibbs signed him at 16. it's quite a commitment for the parents. i said they start young. the average age for the top drivers in the nascar's top circuit, six years old when they start. >> is that right? >> on average. >> driving what? >> go-carts on back trails and the challenge is really getting to as many of those small races as possible. it's a huge commitment for parents. great drivers. >> the thing is, when you come up, if you try to go cheap,