well kim, NASCAR is starting a college course to help train pit crew members.... they go about a year, and tuition costs about 25000 dollars u.s.
Seems nascar has a hard time keeping mechanics and such with a non-stop 36 in 40 week race sched. Attrition is very high.
A perfect example of this is what happened last weekend with kentucky getting rained out on saturday. Some busch team members had to leave to go to their winston cup teams for sunday... logistical and team nightmare. As far as i heard, crew chiefs were having to go over the wall and act as tire changers, they were so short-staffed.
have you gone to a race yet? I was at Michigan for the race sunday, and its always a great time, even though it makes for a long day.