Moreover, gunk that makes intake valves stick. That’s because an oil catch can filter out the potential gunk that can collect on the cold side of the turbo, and inside the intercooler. This device is also very advantageous when you’re running a turbo that uses exhaust gas recirculation. This means better operating conditions, which in turn means better efficiency.Īlso, the sludge that we’ve mentioned can cause shaky ignition, ignition failure, and loss of power. One huge advantage of having an oil catch can is the prevention of oily gases caused by blow-by from collecting in your car’s cylinders. > Related: 3 basic ideas about car oil and oil filter This will result in inefficient fuel burn, accelerated wear and tear, among others. If left as is for a period of time, the air mixed with oil can form into sludge. The aforementioned part prevents blow-by caused by seeping gases.īut then again, the said part can also cause oil mixed with air to collect inside the engine’s cylinders. Most modern car engines have crankshaft ventilation systems. What’s filtered out from the oil is air or air bubbles.Īn oil catch can for the LS3 engine Oil catch can purposes and benefitsĪs mentioned above, the purpose of an oil catch can is to prevent air from mixing with the oil. These can include steel wool and/or other similar devices. Oil flows down from the crankcase and passes through several barriers inside the oil catch can. What Is An Oil Catch Can? How does it work?Īs mentioned, an oil catch filters your car’s oil.

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