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I just painted my Farmall H using Case/IH 2150 red from the dealer. I used my new craftsman gravity HVLP gun. The paint didn't require any thinning, although I did put in just a splash of acetone. I started painting at 1 in the morning as the temp/humidity was to high during the day. I got the best finish and gloss that I've had on anything then I've painted in the past. Now, the downside was I had a few runs using the new gun. I fixed the runs the next morning (razor bladed them off) and went to repaint. I still had my gloss, but I've lost some of my mirrior finish due to some slight orange peel. Temp and humidity was back up at 1 in the afternoon when I did the repaint. I tried thinning some but all I had was the acetone and it's not really the best reducer to combat temp and humidity. If your not reducing or needing a thinner in your paint I would suggest you try to wait until the temp goes down and the dew has dropped. Might get a better quality finish. The type of gun your using has nothing to do with orange peel. It is a temp/humidity reaction. I have 2 HVLP's, (1 Binks siphon feed and this new gravity fed Craftsman) and 2 conventional guns (Devilbiss JGA and another Craftsman). I wouldn't go back after using HVLP and I really like the gravity gun. Uses ALL the paint in the cup, doesn't leave that little bit in the bottom. In my case, it won't take much to respray using the HVLP gun so in a couple of weeks I intend to fine sand and shoot another coat, probably in the middle of the night again.
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