Thread: air compressor

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I notice you are asking about PSI. Again, it depends on the kind of gun, but with the gravity fed guns I have, I have been shooting at about 30-35 psi. Primer seemed to need a little more, as it is thicker.

If you are concerned about compressor capacity, the bigger ones really make life easier and can keep up better, as the guys suggested. But for years I got by with a little Sears 2 HP/20 gallon portable compressor, and painted a few cars and a couple of boats with it. It just ran constantly though, and sometimes I would have to wait for it to catch up.

This is one of those instances where bigger really is better.

Don