Super Pro- Door cars separate from dragsters to the ladder round.  1 bye run per round (in the case of an uneven amount of door cars last door car runs first dragster).  Door cars and dragsters separate in buybacks, winning door cars can run door cars in rd. 2.

Super Pro & Pro-
Ladders will be generated at 16 cars or less.  A new ladder will be generated each round.  Best reaction time from the previous round will be #1 on the ladder and will receive the bye if there is an uneven amount of cars.  Only 1 earned bye-run per race.  Bye runs do not carry over.