Yes — metallic colors of Motor Coater engine paint can be successfully brushed. After your first coat sets for a few minutes, a second light pass in one direction floats the metallic pigments to the surface, producing the sparkle and depth normally associated with sprayed finishes.

Spraying is the preferred application method for metallic engine paint because atomization naturally suspends and orients pigment flakes as the paint lands on the surface — creating the bright, uniform sparkle most people expect. When brushing, that automatic pigment orientation does not happen on its own, but the correct technique can replicate it.

How to Brush Metallic Motor Coater for Best Results

  1. Prepare the surface. Clean, degrease, and lightly sand or scuff the area. Motor Coater bonds best to bare or properly prepped metal.
  2. Choose the right brush. Use a quality poly-bristle chisel-trim brush. Stiff or cheap brushes leave drag marks that disturb metallic pigment orientation.
  3. Apply the first coat normally. Load the brush fully and apply in smooth, even strokes. Do not over-work the paint — lay it down and move on.
  4. Wait for the coat to set. Allow the first coat to tack up for several minutes (timing will vary with temperature and humidity). The surface should feel slightly tacky, not wet.
  5. Make a final light pass in one direction. With a nearly dry brush, very lightly stroke the surface in a single consistent direction. This gentle pass encourages metallic pigments to rise and align at the surface — mimicking the effect of sprayed application.
  6. Do not re-work the coat. Once the light pass is complete, leave it alone. Over-brushing redistributes the pigments back into the body of the paint and eliminates the sparkle.
Pro Tip: Test this technique on a scrap piece of metal or a hidden area first. The correct timing between the first coat and the final pass is the key variable — it changes with ambient temperature, so a quick test will help you dial it in before committing to the full surface.

Full Motor Coater Application Directions:  https://www.kbs-coatings.com/motor-coater

Ready to restore your engine? Motor Coater is a high-heat, UV-stable enamel available in standard and metallic colors — engineered to look as good as the engine performs.

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Frequently Asked Questions — Brushing Metallic Motor Coater

Yes. Metallic colors of Motor Coater can be brushed with excellent results when the correct technique is used. Apply a normal first coat, allow it to tack for several minutes, then make a single light pass in one direction with a nearly dry brush. This orients the metallic pigments at the surface and produces the sparkle associated with sprayed finishes.
Apply the metallic paint normally, wait several minutes until the coat is tacky, then lightly brush the surface in one direction with a nearly dry brush. This technique allows metallic pigments to rise to the surface and align uniformly — mimicking the look of sprayed metallic coatings.
Spraying is ideal because atomization naturally floats and orients metallic pigment flakes during application. However, brushing with the correct two-pass technique can still produce excellent metallic depth and sparkle when spraying is not an option or practical for the project at hand.
Use a high-quality, soft poly-bristle chisel-trim brush. KBS Coatings offers a Black Poly Chisel Trim brush designed for smooth enamel application. Avoid stiff or low-quality brushes — they leave drag marks that disturb metallic pigment orientation and can streak the finish.
Motor Coater typically requires two to three coats for full color depth and protection, with light sanding between coats using 400-grit wet/dry paper for the smoothest finish. Allow each coat to cure fully before applying the next. For full application details, see the Motor Coater product page.

Still have questions?  Contact KBS Coatings

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