Question: how much scfm for hvlp spray gun?
Answer: Most people suggest you should set your gun at 10-15 PSI when spraying base coat. These guns use 5-7 SCFM (standard CFM) with the volume of air at 40 PSI. With the LVLP guns, you can set about 17 PSI for base coats, 20-25 for clear coats.