There is always something new out there to optimize a vehicle’s speed, efficiency, and longevity for aftermarket enthusiasts. An oil catch can has emerged as a real game-changer among the plethora of aftermarket upgrades that have gained popularity in the community.
Any driver can lift their performance and engine health easily and cost-effectively with oil catch cans, thanks to their simple yet highly effective design. What is the mechanism behind an oil catch can? What is the purpose of an oil catch can? The answer to that question can be found in this article. What can an oil catch do for your vehicle’s performance? Here’s what you need to know.
What Is an Oil Catch Can?
An oil catch can is designed to catch excess oil passed through the piston seals of an engine and returned to the crankcase. In order to ensure no waste, the oil for lubricating pistons (essential for engine performance) must be measured precisely. It is, however, a rare occurrence. It is more common than not for oil blow-by and other contaminants to occur during the process. It serves as a barrier to prevent the blow-by from entering your engine’s intake system.
How Does an Oil Catch Can Work?
Using a catch can, you can intercept and collect oil vapor and contaminants before they get back into your engine’s intake system. Fluid dynamics and gravity are the governing principles of its operation.
Gases are pumped from the crankcase to the intake by hoses or tubing connected to the engine’s ventilation system. Natural blow-by causes combustion gases and oil vapor to be generated within the crankcase while the engine is running.
An oil catch can is strategically designed to alter the velocity and direction of gases entering it. Since oil vapor and contaminants are heavier than air, this change results in the gas velocity decreasing, allowing them to condense into liquid. After condensing oil in the catch can, it collects at the bottom, where it is drained or vented.
In the case of oil catch cans, they provide a protective barrier between the crankcase and intake system, capturing oil vapor and contaminants before they could cause damage to the engine.
The Benefits of Oil Catch Cans
In addition to improving vehicle performance, oil catch cans can improve engine health as well. Engine cleaners play a crucial role in extending the life of critical engine components as well as maintaining engine cleanliness. If you want to protect your car’s engine or just want to improve performance, oil catch cans will be of great value to you.
A full range of benefits can be derived from oil catch cans, including:
- Carbon Buildup Prevention: Using an oil catch can, contaminants are intercepted and collected before entering the engine’s intake system. Intake valves are protected from carbon deposits that can clog up the intake system, causing airflow to be slowed, power to be reduced, and combustion efficiency to be negatively affected. Clean intake systems are maintained by oil catch cans, which aid in maintaining optimal engine performance.
- Improved Airflow: This is due to the presence of oil vapor in the intake system that can disrupt the flow of air and reduce the air-to-fuel ratio, which results in a less efficient combustion process. It ensures consistent and smooth airflow for better combustion and throttle response with an oil catch can installed in the intake system.
- Enhanced Performance: By reducing carbon buildup and maintaining proper air flow, oil catch cans can improve horsepower and torque output. Driving becomes more responsive and powerful when the engine can breathe more freely and efficiently.
- Reduced Engine Knock: When oil builds up in the intake system, pre-ignition can occur, resulting in engine knock. Engine knock can eventually cause engine damage. This risk can be mitigated by oil catch cans that prevent oil vapor from contaminating the intake air and causing irregular combustion.
- Extended Engine Lifespan: Less contaminants enter the engine, which leads to fewer wear and tear on key components like valves and piston rings. In the long run, this can improve engine longevity and reduce maintenance costs.
Do I Need an Oil Catch Can?
We’ve already explained how oil catch cans work and their benefits; now let’s discuss whether you need one. In a strict sense, no. There is no need to upgrade your car if you don’t want one – it’s not an essential upgrade.
Nonetheless, an oil catch can is a highly beneficial addition to your vehicle if you frequently drive your vehicle at high RPMs, you’ve installed a forced induction upgrade such as a turbocharger or supercharger, or you want to extend your engine’s lifespan and minimize maintenance costs.
How to Install an Oil Catch Can
No matter what vehicle type you own, CORSA’s oil catch cans are designed to be easy to install. If you are interested in seeing how it works, check out this short installation video.
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Frequently Asked Questions: Oil Catch Cans
The following answers to our most frequently asked questions will answer any questions you may have about oil catch cans.
Is There a Difference Between Air/Oil Separator vs. Catch Cans?
Designed to protect the engine’s intake system from oil vapor and contaminants, air/oil separators and catch cans remove oil vapor and contaminants. Even so, their functions are slightly different and their goals are different. Catch cans are used to capture oil vapor, moisture, and contaminants, while air/oil separators focus mostly on separating oil mist from blow-by gases.
Can I Install an Oil Catch Can Myself?
Yes, definitely! Quick disconnect fittings are standard on CORSA oil catch cans, so installation is quick and easy. The installation process usually takes no longer than 30 minutes.
Are Oil Catch Cans CARB-Approved?
Not at all. There is currently no CARB approval for oil catch cans. Hydrocarbon emissions are still captured, however, which may aid in reducing emissions.
