Is it absolutely necessary to primer a car before paint?

notoriousabc7

New member
I'm prepping my car for the famous $50 paint job (more like $80-$100). Don't knock this until you've googled it. People have been doing this for a while with amazing results (better looking than Maaco's most expensive service). I'm using Interlux Brightsides poly-urethane paint which is a marine/yacht paint that has UV inhibitors, Teflon, and is self leveling. Most people on the forum said it's unnecessary to prime the car. I have a 95 Ford Probe with a few nicks/scratches on the bumpers, a minute amount of oxidation and 1 or 2 microscopic specks of rust (which I will be sanding and covering). Overall the body is in great condition. I will be wetsanding the car. The paint job is rolled on with high-density foam rollers, wetsanded, another layer, wetsanded, one more layer, and then wetsanded and polished. Is a primer necessary or in my best interest? I could understand priming it if the car had body work or bondo all over it but it's a good surface. Will the new coat adhere well to the stock paint once the surface has been sanded? Should I use some type or sealer? Any input would be great. No sarcastic answers plz!
 
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