I have not installed either one, but I have had the opportunity to use the QuickAir2 after running around with a huge group down at TruckHaven. It did okay for airing up, but the duty cycle is failry low at only 20% so we should have waited 20-30 minutes between trucks.
The QuickAir3 will output a ton more air,but the pressure is fairly low so if you ever want to run air tools using a reserve tank, you can't.
Also, anything over 5 gallons of reserve tank volume will void thier warranty.
If you think you will ever need more air, more pressure and more volume, check out a continuous duty compressor. There are two fairly popular ones. The first is the Thomas (same as that used on the Hummers) but it runs $500. The next one is called the ExtremeAir. It is $379 and available at http://www.extremeoutback.com/catalog.htm and scroll to the very bottom. When I can affor done,I will be getting one of these (if no the engien driven one they also have)
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I have a small air system installed on my truck, it's made by Hadley, (for air horns). I use it for airing up my bike tires when low. It came with a .5 cf tank, 130psi shut off. I'm sure it'll inflate my truck tires, (take forever though) I've considered replacing the my air compressor with the Quick air III, until I read a post on another dodge site about the tompson air compressor (the one Jason mentioned) I think I'll be saving for one of them.....
It is nice though, having air on board. My jeep has a engin driven compressor and it works real nice! If your interested, I have the name of the place that has the tompson compressors. They also have air horns! Big and small.....
Let me know via e-mail or this posting
It is the one I will be buying...unless the guy would like to advertise on the site <IMG SRC="/board/images/smilies/icon_smile.gif">
I like the CFM and pressure. However, I also like their A/C conversion they have for the same price (right above it on the same page). Twice the CFM at high pressure are well. I know where I can buy a serptine/v-belt combination pulley for the alternator and I would just need to have a bracket made. That would be a nice setup!
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