RoadRunner1083 Posted March 6, 2012 Share Posted March 6, 2012 I have primered the body of the car and while sanding to smooth everything out, I had some white of the body start to show through the primer. Do I primer the whole thing again? or do I just spray primer in the spots that are now showing white? I tried to search this but didn't find what I was looking for. Pictures below show what I am talking about. Quote Link to comment Share on other sites More sharing options...
martinfan5 Posted March 6, 2012 Share Posted March 6, 2012 Prime again . what grit of sand paper are you using? Quote Link to comment Share on other sites More sharing options...
RoadRunner1083 Posted March 6, 2012 Author Share Posted March 6, 2012 400, should I start at 600? Quote Link to comment Share on other sites More sharing options...
stulee11 Posted March 6, 2012 Share Posted March 6, 2012 IMO i use 1000 grit to do my wet sanding on the primer, i know others on here have there own opinions and grits of paper they use . Quote Link to comment Share on other sites More sharing options...
Mike Kucaba Posted March 6, 2012 Share Posted March 6, 2012 Are you blocking out or sanding with your fingers? Whatever you may be hitting a high spot,or the paper is conforming to your fingers. Make sure you soak the paper or cloth for a few minutes to soften the backing,and have something flat backing up the sanding medium. Quote Link to comment Share on other sites More sharing options...
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