PUSHER Posted December 31, 2005 Share Posted December 31, 2005 Practicing on my lip right now and am currently trying to primer it. I'm using an epoxy primer with an hvlp gun. What is happening is that I'm getting a thin layer of paint, but im also getting scattered little droplets of paint. I've tried different ranges of psi from 10 to 50, if I screw in the needle I get smaller droplets, if I unscrew the needle I get larger droplets. Advise? Should the paint being sprayed be the thin layered stuff or should it be the thickness of the droplets? Thanks. Quote Link to comment Share on other sites More sharing options...
Tim240z Posted December 31, 2005 Share Posted December 31, 2005 What size needle are you using? Also, are you reducing the primer? If so, are you using the correct solvent? Quote Link to comment Share on other sites More sharing options...
PUSHER Posted December 31, 2005 Author Share Posted December 31, 2005 Nozzle size is .054'' I'm not reducing the primer at all, the can(omni) just said 2 parts paint, 1 part hardener. Quote Link to comment Share on other sites More sharing options...
Tim240z Posted December 31, 2005 Share Posted December 31, 2005 I used Omini products on my truck and it came out great. I used a 7mm tip for the primer and set a pretty wide spray pattern. You may want to play with your gun patterns on a piece of carboard or body paper to set the gun correctly prior to shooting parts. When I paint cars, I tape up a large piece (6 foot x 6 foot) of paper on the wall of the paint booth. After filling the gun, I always "reset" the spray pattern by testing it on the paper. BTW, for the color coat I went down to a 4mm tip. Quote Link to comment Share on other sites More sharing options...
240hoke Posted December 31, 2005 Share Posted December 31, 2005 sounds to me like a dirty gun or youve got water in your line. Have you taken your gun completely apart and clean it throughly I did that last week and was amazed at the buildup. i usually just spray acetone through the gun and or soak it over night. No more of that for me they get disassembled every time. Quote Link to comment Share on other sites More sharing options...
PUSHER Posted December 31, 2005 Author Share Posted December 31, 2005 Healthy dose of orange peel but whatever. Lessons learned: 1) Dont paint barefoot when shooting clear. 2) Dont mix the base and the reducer in plastic cups. 3) Dont get greedy with flake. 4) Blotchy primer sucks. Thanks for the help guys. Quote Link to comment Share on other sites More sharing options...
240hoke Posted January 1, 2006 Share Posted January 1, 2006 Hey, looks pretty good. On the blotchy primer how did you sand it? And also with the orange peel it just means you need to lay more paint down. I was scared when i painted my car of runs.. so i have peel in a few places. Runs can be sanded out but peel is much harder to get rid of. Quote Link to comment Share on other sites More sharing options...
PUSHER Posted January 1, 2006 Author Share Posted January 1, 2006 I wetsanded the primer with 400. Do I add more paint during the clear or the base or both? I didnt really understand that I was supposed to soak the stuff in paint until I was clear coating. Planning on the hood and flares today, gonna try using more base. Quote Link to comment Share on other sites More sharing options...
PUSHER Posted January 1, 2006 Author Share Posted January 1, 2006 Finished with hood and flares. Hood is going to need allot of sanding due to running, how long should I wait before wetsanding? Quote Link to comment Share on other sites More sharing options...
Guest MRIZ Posted January 1, 2006 Share Posted January 1, 2006 Hi, new to the forum. I'm not a professional but I did shoot both my Z's with Omni. My neighbor who owns a body shop helped/taught me with the second one after he saw what I did to the first. He said it(Omni) shoots thinner than most paints so you need more coats than the P sheet says.I tried to get too much coverage with too few coats with poor overlap and got peel and runs and a 120 grit finish. Go light trying not to cover in one pass with approx 10-15 min in between (depends on temp/humidity).The first 3 coats looked blotchy until it started to fill in.Psheet says 2-3 coats , we did at least 4 thin. Use at least 50% overlap and watch the gun to part distance and your travel speed. He made it look easy being a pro.But he had me shoot half the car and corrected my many mistakes as I went .This is just my experience which I will use on my repaint but I know there are guys on here who are professionals so feel free to correct . Quote Link to comment Share on other sites More sharing options...
PUSHER Posted January 1, 2006 Author Share Posted January 1, 2006 Cool, Thanks. I'm gonna try and do that on the rest of the car. Use less paint per coat and just make sure its semidry between coats so it doesnt run. Pic of hood: Quote Link to comment Share on other sites More sharing options...
Guest MRIZ Posted January 2, 2006 Share Posted January 2, 2006 Looks great, also like the way the car sits. Nice combination of wheels and flares/suspension set up. Good luck with the rest of the paint. Most important thing for me was the gun travel speed and % overlap. Thats what ruined my first job. Best thing is to get a piece of 22ga scrap and prep/paint to test technique and gun pattern. Quote Link to comment Share on other sites More sharing options...
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