How to Reduce Friction in a Car Engine

Friction is a force that resists the relative motion of two objects in contact. In a car engine, friction can occur between the piston and cylinder walls, the camshaft and lifters, and the crankshaft and bearings. Friction can cause engine wear, reduced power, and increased fuel consumption.

There are a number of ways to reduce friction in a car engine. Some of these methods are simple and inexpensive, while others are more complex and expensive.

Simple and Inexpensive Methods

Use the correct oil. The type of oil you use in your car engine can have a significant impact on friction. Choose an oil that is specifically designed for your engine and that meets the manufacturer’s specifications.
Change your oil regularly. As oil ages, it loses its ability to lubricate and protect your engine. This can lead to increased friction and wear. Change your oil according to the manufacturer’s recommendations.
Use a friction modifier. A friction modifier is a chemical additive that can be added to your oil to reduce friction. Friction modifiers are available at most auto parts stores.
Reduce engine load. Avoid overloading your engine by carrying heavy loads or towing a trailer. This can put extra stress on the engine and lead to increased friction.
Drive smoothly. Avoid sudden acceleration and braking. This can help to reduce friction and wear on the engine.

More Complex and Expensive Methods

Use low-friction materials. Some engine components are made from materials that have a low coefficient of friction. These materials can help to reduce friction and wear.
Use hydrodynamic lubrication. Hydrodynamic lubrication is a type of lubrication that uses a thin film of oil to separate moving surfaces. This can help to reduce friction and wear.
Use roller bearings. Roller bearings are a type of bearing that uses rollers to reduce friction. Roller bearings are often used in high-performance engines.

By following these tips, you can help to reduce friction in your car engine and improve its performance, fuel economy, and longevity.