![]() Mid-range: Twelve-ounce cans are far and away the most popular size, and you will normally pay somewhere between $7.50 and $14. We found glossy black paints in 12-ounce spray cans for under $5. Inexpensive: If color isn’t important, it certainly pays to shop around. Ideally, the new color should look better. The color it is now is not the original, so getting a match is impractical. It’s been through thousands of miles of road use, probably in all weather. However, you also need to realize that the color of your motor has probably changed since it left the factory. You can check with owners clubs and online forums (particularly vehicle restoration forums) to find user feedback. Professional auto sprayers can speed up the process with the use of a drying booth, but most of us just have to be patient.Ĭolor matching is important to some, and manufacturers often make statements like “OEM match,” or “factory original color.” Whether those are accurate is open to debate. ![]() There’s no hard-and-fast rule here - you will need to check the instructions provided by each manufacturer. Some products will be fully dry overnight, while others require as much as a week. If this can’t be done, then you may need to wait a full day before re-applying. ![]() Sometimes subsequent coats need to be applied quite quickly - typically within 30 minutes. Painting and drying times need to be adhered to in order for the layers to bond to each other properly and for final curing to maximize surface durability. A little goes a long way, thus saving you money (manufacturers often provide specific figures if you want to check before buying. Brush-on engine enamels take longer to apply and more care is required, but in general they offer much better coverage. Some feature nozzles that can spray sideways or upside down, which is far more convenient than the type that need to be kept upright. Just shake (usually for a full minute) and go. Note : water-based does not mean an engine enamel paint can’t catch fire! Liquids may still have a “flash point” (a temperature at which the vapor will ignite), and you should never spray any kind of aerosol near a naked flame.Įngine enamel paints are supplied in spray cans or as brush-on liquids. However, the formula is not always clear from the product description, so you may have to check with the manufacturer. Fortunately, an increasing number of manufacturers are providing acrylic options. Low solvent/low VOC (volatile organic compounds) products are a big improvement, with acrylic (water-based) engine enamel paints being the optimum choice. Engine enamel paints have historically been oil-based with all manner of unpleasant compounds included - some of which are now banned. Key considerationsĬhemical composition is increasingly important in terms of the environmental impact of engine enamel paint. It may be high gloss, matte, or even textured, and it will retain its appearance for years with minimal care. Engine enamel paint is also very versatile in its appearance not only in its available colors but also in its finishes. Once fully dry, engine enamel paint also provides a very hard surface that is resistant to chipping, corrosion, and chemicals. This has no impact on engine performance because it only affects external temperature. Some also have ceramics added that help to dissipate heat more quickly, prolonging the life of the paint. Engine enamel paints can handle temperatures as high as 500☏, depending on the formula. ![]() The outer surface of your engine when running is typically somewhere around 250☏ to 300☏. Don’t be tempted by cheaper metal paints not specifically designed for engines - they won’t cope with the high temperatures and will soon begin to blister or flake off.
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