rarer. when they do wreck there's nothing left to them. >> reporter: he said there were 15 carrera gts in las vegas. now there are only six. >> very hard car to drive. pure racer's car. you really need to know what you're doing when you drive them. people are learning the hard way. >> reporter: he also taught the actors in the second "fast and furious" movie, including paul walker. >> worked with all the stars of the film, paul, gibson. >> reporter: let me ask you honestly, how was paul? >> paul was, by far, the best driver, a natural car guy. >> reporter: as for the car, pobst says driving a car like the porsche carrera gt for the experienced driver matches a thrill few experiences can match. >> the higher you rev the engine, the more it pulls. you feel it right in the chest, pushing you back.