I think the Master Blaster is overkill. I use the Air Force Blaster designed primarily for motorcycles. It has more than enough oooomphhh to get the car done!
Metro Air Force Blaster B3ô Motorcycle Dryer Vacuum Cleaner
Metro Air Force Blaster B3
Introducing, Metro Air Force Blaster Motorcycle Dryer!
4.0 Peak Horsepower (29,000 FPM) Motor
Rugged all Steel Contruction
10 Foot Heavy Duty Hose.
Heavy Duty Neoprene Blower Nozzle
Air Flow: 29,250 ft. / min.
Fan: 2 stage dual fan
Amps: 9.5 amps
Cord: 12 ft. heavy duty 3 conductor
Weight: 8 lbs
Filter: EZ change foam filter