Most all of you make good points. A lot of the people that ask me about getting into racing are ex dirt bike riders that have got a little older and still want to compete. I thought about telling them about class 9, but my experience in racing class 9 is the front end will need constant repair. With no disrespect to anyone they would like to go faster than jeep speed or 7s and class 11 , all of witch cost $$ if you dive hard. that's why i tell them 2-1600. you are right about the time needed to get up to speed. so I tell them to go a half a year as sportsman and look at the times to see if they are ready. just as an example, out of the 7 to 9 sportsman limited that race snore 6 are 1600 cars working on getting up to pro speed. Some have rased the deck height to run pump fuel, to do 2 things cut cost of gas and save trannys . 2 of the cars racing sportsman run the same motor and transmission all year and are still competitive. from racing 1600 I can tell you that they are just about indestructive. right now the weak link is the transmission when you drive at the pace. just look at some of the times at a ruff desert race and a 1600 will be running in the top 15 .