You may find it satisfactory to simply apply a zinc phosphate prime coat and follow it with black spray paint. Hit it with a few coats of primer doing a light sanding between coats to take the fuzz off.
Spray Paint Engine
Painting aluminum engine parts. How to properly spray paint valve covers and engine parts duration. The paint wont have a problem sticking to these materials as long as it is clean. They make a self eching primer which is green in color very similar to zinc chromate primer used on many aluminum parts. Anybody that is inexperienced with painting engines should conduct thorough research into proper techniques before beginning a project. Once the zc primer has been applied finish the project to the color coat as soon as possible. Regards ted mooney pe.
An engine uses more porous materials like cast aluminum and cast iron. Once the aluminum parts are cleaned with acetone immediately apply the zc primer same for the ff printer and final coats. Painting an aluminum boat with spray paint primer smokercraft restoration. The main problem with primer even basic etching primer is that it is thicker than the paint itself. Remember the idea is to reduce the thickness of the paint. Of course hobbyists painting single aluminum parts dont necessarily need to follow the full protocols that an oem would.
Painting aluminum with sem self etching primer and rustoleum paint duration. Tiny boat nation 198252 views. Engines use porous metals such as cast iron or cast aluminum so engine paints can easily stick to these materials without requiring a primer first. I like to use these norton sanding foam pads as they cut well and can be blown clean with compressed air and seem to last forever. You need to use engine paint brake caliper paint or high temperature paint of some kind duplicolor is widely available and well reviewed and ive also heard good things about vht didnt like their palette though.
Gallery of Painting Aluminum Engine Parts
