Using a wet vac to blow dry the car?

So, just to be clear, we are talking about 2 diffeerent things:

1) using a leaf blower or other "high volume" device to blow dry the entire car

and

2) using a shop vac/ metro vac or "high velocity" device to blow water out of cracks, crevices, door handles etc...



and of course there are people who are combining the 2...:)



I use the tiny craftsman 2 gal shop vac for my car, in both vac and blower modes. I bought a separate hose and crevice tool that I keep clean and use only for blowing. It works great.



As far as the air quality, the air used for blowing is the same as the air that comes out of the vac when it's sucking - I never see dust or grains of sand blowing out the back of the thing! As long as you empty it first (duh) and keep the filter fairly clean there shoudl be no problem.



And dont forget - you are hitting your car with dusty air at 70 mph when you are driving it!
 
I would recommend getting an air compressor. First, a leaf blower is a lot more bulkier that a hose and an air chuck and second, you can buy pneumatic tools to plug right into your hose that can be used for all types of projects around the car.
 
Here's the picture of my filter. 3Dog, It's not foam, it's actually paper pleated, kinda like a oil filter structure.
181782_3.jpg
 
Just to touch on a few points that have come up--I have never had a shop vac that didn't pass a lot of dust out of the exhaust, and if you use the same hose that you use for vacuuming, it's going to have dirt in it. I have been using a CRSpotless rinse followed by an Air Force Blaster...you CAN dry the whole car that way, and never use a towel, but I personally don't have the patience for it, I blow off most of the water, and dry the rest with a WW. My friend Jr., however, likes to use the AFB for a long time until the car is completely dry. Nozzle geometry differences between some of the devices mentioned likely also has an effect on efficacy, as does LSP selection. The one car I do with Zaino blows off the easiest.
 
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