I am looking paint my car soon as a project and was wondering what the minimal requirements are for a air compressor since I will be spraying the paint. Also I need to fill in little dents. Should I sand the whole car first and the fill in the holes with body filler or use the body filler first then sand. Also my current paint is in good condition just has some scratches and chips so should I just wet sand the whole car with 600 grit untill I get all the clear off then paint?

 

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ok I searched and found answers to most of my questions the last question I have is do I need to seal the whole car? or can I just sand the existing paint and paint over it and just prime the repaired areas