Does a dually truck fit??

No it does not

No

A 2 second Google search led to their vehicle restrictions list on the Club Carwash website... Vehicles Club Car Wash cannot wash: Vehicles Taller Than 86” Vehicles Wider Than 73” From Inside Driver Side Tire to Outside Passenger Tire Trucks with Uncovered Beds That Are Not Completely Empty and Free of Any Kind of Debris Full-Size Hummers Select Trucks with Ladder Racks Vehicles with Tires Wider Than 12.5” or Dual Tires