how to paint a car with a small air compressorHow to paint a car with a small air compressor

Last updated on April 19th, 2022 at 07:22 pm

If you are learning or even practicing how to paint a car using an average-sized air compressor, you might also need to learn a few tricks and facts about air compressors first.

Before I answer your question on “how to paint a car with a small air compressor”, it will be smart and wise to help your choose the best air compressor for your car.

Air compressors or paint sprays are a type of gas compressors that work by increasing the pressure of the fluid by reducing its initial volume. It can be compared with normal pumps as well as they both raise the pressure of the fluid under action so that it can fit in a narrow pipe. And from ideal gases law which gives the gases that nature of being compressible, the reduction in volume plays the role of a spray, and that’s where you get your paint sprayed to your car.

Always be sure to follow your instincts when buying or choosing an air compressor for your car; however, discussing with a painter or a car painter professional won’t cost you a penny.

One should always use a suitable air compressor when painting their car. Lucky for you, we got it all solved; all you need is to stick around and find better solutions when it comes to your car painting process.

Choosing the Best Air Compressor

In order to paint your car, you need to choose an ideal air compressor, which depends on your car painting needs, type of paint, the condition of the car, and CFM. These buying/selection factors play a significant role in the type and quality of the compressor you will buy. For instance, the compressor’s CFM help in the whole painting process.

To paint your vehicle, you will need a paint spray or air compressor to create the paint’s automation. The breakup gas and the paint lead to the spray paint on the exterior, so the more the CFM, the more your paint covers are, and the faster you complete your work.

What size air compressor do I need?

You can always paint your car in various steps, and most of them require an air compressor; our guide has already discussed some of the important factors that you should always look for when buying or choosing your car painting compressor.

Consider an average-sized tank for a paint compressor, and chances are the CFM is low, and it will take you some time to paint your car. Overloading this kind of compressor will tear up your machine, but if you still want to use your small compressor, it will be wise if you deal with parts.

Do not cover the whole vehicle; deal with parts after parts. Be sure your paint has the same drying rate. When you are painting or applying paint to your car using a smaller compressor, let’s say 15 to 20 gallons. The trick is always to drain off some water every 3 to four passes to avoid being hot and a hefty task.

The smallest or minimum compressor you should be looking at should give you a 14 PSI for applications such as undercoat paints. But for a better coat, the suitable air compressor for the job is 20 to 25 PSI.

How to paint a car with a small air compressor?

Unlike furniture painting, your car is a piece of art that requires some adjustment in your routine painting procedures. At no instance should you be painting your car exterior while your headlights, windscreen, side mirrors, and rare cameras are exposed to the paint? Here are some tricks and tips on how you should paint your car.

Step – 1:

Cover all the windscreen, headlights, and rare mirrors with paint-resistant paper.

Step – 2:

Mix your paint well here you can involve a professional.

Step – 3:

Scrub the affected areas in your car ( for rust, you can use vinegar or a scrubber to reduce the extra coating.

Step – 4:

Be sure to clean all the spots before turning on your air compressor.

Step – 5:

With all set, you can turn on your compressor and maintain a 15 cm distance from the surface you. are painting and dry your car in cool air, then remove the covers in your mirrors.


This guide is all about air compressors and how you can paint your car; it is then up to you to ensure you have the right brand and model before the painting process. Always find more information about different paints and their drying effects.

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