Grind Calipers Smooth Before Paint?

T

TN9thSi

New member
I'm planning on painting my calipers soon. I had the wheel off today cleaning the inside of the rim and inspected the brake calipers. They have a very rough texture with sharp edges and irregular sufraces. I took the dremel to a tiny area to see how they reacted to smoothing. I noticed that the top coat rubbed off and revealed a very shiny surface underneath. I dunno what they coat them with from the factory, but it's only the front set. The rears are already shiny metal:confused: Anyway, has anyone used a dremel/rotary tool to smooth the calipers before painting? I just think they would look a lot better if they had a little grinding first. Any ideas or experiences appreciated!
 
i would advise smothing them that rough texture is what helps cool them it also gets rid of stress riseres on the surface
 
When I painted my calipers, I did remove any sharp edges and sanded them as smooth as I could get them. I noticed the same thing you did, when I began sanding with a dremel and removed the topcoat they were shinny.
 
I would at the minimum ruff them up a little with some low grit sand paper...then a higher grit to smooth it down. Then (most importantly) you need to clean them very good. I had mine off the car. Cleaned with brake cleaner. Don't allow brake cleaner to touch the paint on the car. After cleaned and dried, start adding thin coats of paint. I put clearcoat over that.



Look great. Good luck.
 
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