What type of paint preparation is advisable for a vehicle with a good original paint surface?

For a vehicle with a good original paint surface, a combination of washing and sanding is the advisable preparation method. This approach serves to clean the surface thoroughly, removing any contaminants such as dirt, wax, or grease that could interfere with the adhesion of new paint layers. Washing ensures a clean foundation for optimal bonding.

Sanding lightly, or "scuff sanding," creates a textured surface that enhances paint adhesion without completely stripping away the original paint. This method preserves the integrity of the original paint while providing enough texture for the new paint to adhere effectively.

This combination maximizes the durability and finish of the new paint, ensuring a professional and long-lasting result. It's important to balance the cleaning and surface preparation without resorting to more aggressive methods like complete removal of paint, which can be unnecessary and potentially damaging to the underlying materials.