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There is a serious problem today with Auto GDI Engines. GDI Engines produce "blow-by" that over time will slowly cause your engine to loose performance, reduce mileage and ultimately damaging your engine. Installing any of the McNally Universal Rx Oil Catch Can Kits will reduce this damage caused by GDI Engine blowby. Our Oil Catch Can Kits provide continuous cleaning with every mile in every driving condition for the life of your vehicle.
McNally Rx Oil Catch Can Kits are a true oil PCV crankcase evacuation and separation system that is engineered to eliminate valve coking issues, increase fuel economy by eliminating oil associated detonation, reduce tail pipe emissions, and prolong engine life by removing damaging combustion by-products and trapping them from ingestion via the intake air charge.
Preventing or mitigating this challenge on YOUR GDI vehicle requires some unique engineering modifications such as a GDI Engine Catch Can to the closed Original Equipment by Manufacturer (OEM) Positive Crankcase Ventilation (PCV) system.
Bottom line is, without a proper evacuation system you WILL sustain long-term and expensive engine damage. This damage begins day/mile 1 of your vehicle's life and progressively gets worse. The McNally Universal Rx Oil Catch Can Kits with the Clean Side Separator catches these harmful contaminants, which should be drained from the bottom of McNally/Rx Oil Catch Cans (Ball cock drain port) at every oil change interval in compliance with the vehicle owner's manual maintenance schedule.
Our Clean Side Separator comes into play in boost, or heavy load conditions such as up a steep hill, when accelerating to pass or when towing a trailer (heavy Load = at approximately 75% of full power). Under these conditions the cleaned airflow pulls from the Oil Catch Cans to the barb in front of the Throttle Body while the cleaned air from the GDI Engine Catch Can to the intake manifold plenum stops. Our system regulates this switch-over of air flow using the check valves included in the McNally Universal Rx Oil Catch Can Kits. One valve closes while the other opens switching the flow within the system.
Our McNally Universal Rx Oil Catch Can Kits ensures continuous crankcase evacuation no matter what the operating mode (e.g. idle or heavy load) The Universal Oil Catch Can Kits System employs a Clear Side Coalescing Separator found in no other. At idle or heavy load, our system detects the moment the intake manifold plenum becomes pressurized. That closes the Check Valve preventing the boost or heavy load from pressurizing the crankcase by opening the Fuel Injection head Check Valve allowing that inlet to provide the vacuum needed for continuous evacuation.