They got the race purse up, but not sure what numbers the "Payout based on car count" is based on.

http://www.racesgmp.com/schedule-dragstrip-detail.da?id=297

As for motels, there was a "Family World" at the track exit. But their # is disconnected and they may be closed (again). I've stayed north of the track at a Super 8 or Days Inn.