Rustoleum Engine Paint Review

Rustoleum Engine Paint Review

We are all familiar with that lovely luster looks a new engine has. Unfortunately, over time, it becomes dull and some parts start to rust. But you can return it to its previous glory by using the right paint.

Using paint on the safe parts of your engine will not only make it look beautiful, but it will also protect it from rust and corrosion. This will make your engine last longer.

Well, not all paint can be used on thermal engines. The good news is that Rustoleum has some paints that can be used on Most automotive engines. In this Rustoleum engine paint review, you will find out everything you need to know about these paints.

Read Also: Rustoleum Galvanized Metal Primer Review

Benefits of Engine Enamel Paint

Rustoleum Engine Paint Review

If you are indecisive about using engine paints, the following benefits will help you decide if you would be painting your engines.

Ability to customize your engine to your preference

If you have always liked to have your automobiles on a special color, this is an opportunity to get this done. So you can change the color of your engines to your preference.

It helps protect against rust

This is one of the reasons why most persons will want to paint their engines. As you already know, painting is one of the most affordable and convenient ways to prevent rust and corrosion.

A well-prepped and painted engine will last longer as it poses high resistance against rust.

Rustoleum Engine Paint Review

Rustoleum Engine Paints

1. Rust-Oleum Heat Protective Enamel

At the first impression, you would have thought that this paint was produced to be used on grills and other cooktops equipment. While this may be true, it also finds its application on engines.

With a maximum heat capacity of 1200F, you wouldn’t have thought of any other better paint to use for your high heated automotive engines. With this maximum heat resistant, it prevents paint chipping and flaking which happens to be a major defect caused by high temperatures.

We like the paint because it is very easy to apply. If you choose to use sprayers, you would not need to thin. Whether for HVLP or airless sprayer, it comes already ready to be fed into the spray container.

With its fast drying time, your project can be complete as fast as possible. It is available in a one-quart paint which gives you better coverage. This rust-oleum is what you need to revive that engine.

  • High-temperature capacity up to 1200 degrees Fahrenheit
  • It comes ready to be sprayed without requiring thinning
  • Available in only one color except you buy that in a spray can
  • Fast-drying formula cuts down on drying time
  • The thin nature will translate to more coats and work time overall

2. Rust-Oleum 248945 Automotive Engine Enamel Spray Paint

Next on our Rustoleum engine paint review is the Rust-Oleum 248945 automotive engine paint. With a temperature resistance of up to 500F, this paint will bond with engine parts even at high temperatures.

Apart from giving your engine a beautiful look with its glossy finish, it also helps to prevent your engine against rust and corrosion.

When painted with this aerosol paint, your engine becomes resistant to oil, gas, grease, rust, salt, humidity, and solvents. This gives it more durability and longevity.

This paint will however require sufficient time to cure after painting before heating up. Negligence of this will cause bubbling or flaking. It is available in 12oz spray aerosol can and will give you a moderate coverage.

Unlike most high heat paint, this one has a range of professional colors to make a choice. It also finds its application in a range of painting projects.

  • The paint is versatile
  • Offers protection against rust and corrosion
  • Resistance to high temperature up to 500F
  • Available in multiple standard colors
  • Durability and longevity
  • Poorly designed nozzle clogs very easily and either sprays very little or way too much

3. Rust-Oleum, Flat Black 248903 Automotive Spray Paint

At a temperature of 2000F, it is almost impossible to get a paint that will not create bubbling or flaking when heated to such temperature.

But with this paint, you can never go wrong. With such high-temperature resistance, you can conveniently paint engine parts closer to the combustion chamber and be sure to get durability.

The rust preventive formula resists grease, oil, gas, and other common environmental elements such as rust, salt, humidity, and more.

With easy spray, you can complete the project with no hassle, thanks to the any-angle spray technology.  The fast drying time cuts down on the time it will take you to complete the project. It dries to the touch or for re-coating in 30 minutes.

Rust-oleum Black 248903 is available in 12oz aerosol spray can and covers up to 10sqft.

  • It can withstand high temperature up to 2000F
  • Can be used for other purposes other than automobile engines
  • Any-angle spray technology
  • Availability in a spray container makes application easy
  • Good coverage makes it affordable and economical
  • Fast dry time
  • There is only black color available

How to Paint an Engine Using Rustoleum Engine Paints

Best Engine Paint From Rustoleum

The following steps are a summary of what it will take to paint your engine.

Read Also: Best Paint For Metal Surfaces

Items needed

  • De-greaser
  • Primer
  • Engine paint or high heat paint
  • Brushes
  • Soap and water
  • Painter’s tape
  • Cardboard paper

Step 1:

Position the engine in a way that you can access around the engine block easily without obstruction. If possible, it will be better to be hunged/suspended.

Step 2:

Use the painter’s tape and cardboard paper to block all possible holes that shouldn’t be painted. Some of the most important holes are the piston holes and threaded holes.

Step 3:

Apply the de-greaser or you can use soapy water to wash the exterior engine to remove all possible grease, engine, or gas that may have been stuck to the engine. Then rinse with water and allow it to dry.

Drying is another very important aspect of this process. You can either allow to dry naturally which may take time, or you use a drying machine.

Step 4:

After drying, next is to apply the recommended primer for high heat. They are available as a spray can, so you want to apply some thin layers and allow to dry.

Step 5:

The final stage is to apply any of the Rustoleum engine paints. If you are spraying, you will want to be careful to avoid over-spraying which may lead to an uneven coat.

Also, If you choose to use brushes, then we recommended using sponge brushes. They tend to do a better job compared to hairbrushes.

Read Also: Best Paint Sprayers for Cars

Frequently asked questions

What color should I paint my engine?

One of the reasons why automobile owners re-paint their engines is because they want a choice color. however, you would find more standard colors on engines either royal blue, black, orange, or red with orange taking a higher proportion.

Does engine paint need primer?

If you are going to be painting automobile engine parts, we highly recommend using a primer to enhance the adhesion. Rustoleum also has high heat primers that you can use for priming engine parts that are often heated.

Should I paint my engine block?

Most persons love to paint their engine block when rebranding their cars. Some may also like to use a different color they love. But of course, you should not paint inside the combustion cylinders where the pistons go in.

Is Rustoleum paint gasoline resistant?

Some of Rustoleum paints are gasoline resistant. One of them is the Rust-Oleum 248945 Automotive Engine Enamel Spray Paint.

How many cans of paint does it take to paint an engine?

Most aerosol paints from Rustoleum comes in 12oz container. For a small block, 1½ container can cover a small engine block. However, this may increase if you want to customize it to a different color.

What is the best heat resistant paint?

Typically, engine paints are also high heat paints. You can always use them for other purposes where high temperature is always in use. Furnaces, grills, and cookstoves can be painted using these engine paints.

Can I use engine enamel paint for adding color to my brake calipers?

Yes. Engine enamel paints will work well for painting brake calipers. However, some paints are specially designed for painting calipers. An example will be the Rust-Oleum 251592 Caliper Spray Paint.

Read Also: Top 5 Automotive Paint Guns

Is rustoleum engine paint good?

One of the best engine paints on the market, this Rust-Oleum product features a great formulation that’s easy to apply. Super high heat resistance at 1200 degrees Fahrenheit makes this suitable to lots of different applications. Restorative and protective formula.

Can you use rustoleum on an engine?

Rust-Oleum Automotive Engine Enamel allows you to brighten and customize your engine. For best results use with Rust-Oleum Engine Primer Spray.

Which paint is used for engine?

That’s why engine paint is typically an enamel paint. Enamel paints typically offer a hard, glossy finish and have excellent color retention. In addition, enamel can provide superior heat resistance—a must for automotive engine use.

What is engine enamel paint?

VHT 550°F (288°C) Engine Enamels™ are a unique blend of urethane and ceramic resins, which produce a tough and long-lasting finish for engines, engine accessories or wherever a tough, durable heat or chemical-resistant finish is needed.

Does engine paint need primer?

All automotive paints require primer to get adhesion right? Absolutely, if you are talking about sheetmetal. It is true that you would not want to spray a car without primer first. For one the paint would be splotchy from variations in the body work, but also the paint has a hard time sticking to smooth sheet metal.

What is the best paint for motorcycle engines?

VHT Barrel Spray Paint is custom formulated to restore motorcycle engines to their original factory appearance. It is extremely resistant to oil, petrol and solvents, and is heat resistant to 550°F (288°C). It virtually stops rust and corrosion while resisting chipping, cracking and fading.

How long does it take engine enamel to dry?


Dries to the touch in 20 minutes and dries to handle in 1 hour. Apply a second coat or Clear Coat within 1 hour or after 24 hours. Wait 7 days for the paint to fully cure.

Why engines are painted black?

The heat generated by the engine is efficiently radiated due to the dull black paint. The black paint emits the most heat through radiation (highest emissivity). This improves the heat transfer out of the radiator when air isn’t moving through the radiator.

How do you clean an engine block before painting?

If it has any oil left on it at all, the paint won’t properly adhere to the metal properly. Step 1: Spray the engine with the aerosol cleaner degreaser. Completely coat the engine in degreaser spray, letting it soak according to the instructions on the can. Step 2: Rinse the engine with clean water completely.

How tough is engine enamel?

Excellent for under-the-hood applications, Dupli-Color Engine Enamel will perform to the most rigorous standards of racing, street rod, and vehicle restoration enthusiasts. This durable formula resists temperatures up to 500°F intermittently and produces a superior finish that will not blister, flake, crack or peel.


Our Rustoleum engine review covers all the information you will want to know about their engine paints.

There are other engine paints from other brands that can do the job effectively, but using Rustoleum gives you a higher guarantee of getting a professional job. they are cheaper and offer great durability.

It will be ideal to always look at the maximum heat the engine would normally reach and compare to the temperature limit the paint can withstand. Use the right paint for the right temperature.