I guess I'll say my two cents worth. This is a good topic. I think you race 1/4 or 1/8 mile depending upon what track is close to you. I race either 1/4 or 1/8 doesn't matter to me at all. I just love to race.
I use to run super pro against all the guys with delay boxes and their damn electronics. I won alot of races but got tired of it. You see I have always run a stick and no electronics or delay boxes. Then I ran pro with no boxes. That class is more fun cause I think everyone is on the same playing field.
Now I run NHRA S/ST, so called heads up with no delay box or throttle stop. I do it with timing and weight. The other guys run delay boxes and throttle stops. I love the Pro tree and take pride in putting these guys with the big MPH on the trailer. I know 90 classes are boring but here's my point.
Run 1/4 run 1/8 or what ever but do what you have fun doing. That's what it's really all about.
My 2 cents
