Racers...I want your .02 here...

My advice. Double entry. Run your car in the quicker class, and run your towing truck in the class with him. Windows up, AC off, in drive, and deep stage it, 2000 RPM, then just hit it to the floor That's what I do. It will take a while, but soon you'll be competetive in both classes. Extra seat time can only help both in the learning experience, and the fun experience.