Help with Classes/Rules in drag racing

First please have patience with as I ask a bunch of questions,I'm completely new to the world of drag racing and I hope I get good answers from you guy's!!!!!!!

-I'm having problems figuring out some class rules out of the N.H.R.A rule book,Mostly dealing with Pro and Super Pro under section 4 A in the book,
Questions:
1-Can U use a delay box in the pro class??? or does the track decide that???

2-Can you use a Air or electric shifter in Pro/Super pro class,I can't find anything defining a air/electric shifter??

3-Do any of you run both in Pro/Super pro class on any given weekend or is it too expensive to do so.

4- How many of you in Pro class have gotten your N.H.R.A. license or do you not even bother with it since it's not a requirement.

5-Can a Transbrake be used in Pro class???? WHat about a step launch control???

6-I want to install a two bank Fast air/fuel monitor is this considered a Data recorder as they state in section 4 A-group 9 ???? It only monitors fuel/air ratio's with a play back function????

Thanks Guy's More to come--Steve (A.K.A.swifter) W.B.C. Racing