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Oil Catch Can Kits

McNally 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.

GDI Engine Oil Catch Cans Features:

  • Improves Engine Performance
  • Engine Runs Cooler
  • Increases Fuel Efficiency

Understanding the need for a proper GDI Engine Oil Catch Can

Everyday vehicle use of a Gasoline Direct Injection (GDI) engine will cause the ingestion of a certain amount of oil, sulfur and waste carbon, etc. into the intake air system. Because a GDI engine is a closed system, this oil, sulfur, and waste carbon, etc. referred to as Blow-by naturally finds its way into the air intake system. This Blow-by results in loss of power, detonation, and long term burnt carbon crystal buildup on the pistons and valves reducing the air velocity and flow through the engine.

Without a GDI Engine Oil Catch Can this condition is progressive and exponentially impairs performance:

  • Reduced horse power and torque
  • Contaminated Catalytic Converter(s)
  • Reduced Catalytic Converter life requiring replacement runs +$2,000 each.
  • Fuel Mileage efficiency
  • And an increase in maintenance costs; intake mechanical cleaning runs from $1,200 to as high as $2,000 and up, EACH TIME. Chemical cleaning is MUCH less, however, creates further problems via corrosion of metal parts from VERY strong chemicals and even worse will eventually force the purchase of new Catalytic Converter(s) at $2,000 or so each.

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 Gen 2 Universal Oil Catch Can Kits catches these harmful contaminants, which should be drained from the McNally Gen2 Oil Catch Cans 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 Gen 2 Oil Catch Can Kits. One valve closes while the other opens switching the flow within the system.

Our McNally Universal Gen 2 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 Dual Chamber 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.

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Gen 2 Oil Catch Can Kit by McNally
Average Rating(2)
$399.00
Part Number: MI1028-14
Gen 2 Oil Catch Can ONLY by McNally
$239.99
Part Number: MI1028-15