Radium AOS-R Air Oil Separator for Universal Fitment (20-0219)
A high powered modified engine tends to generate excessive blow-by oil and gasses. The AOS Kit is responsible for keeping blow-by oil and other pollutants out of the air intake and intercooler and returns collected oil back into the oil pan so there is no servicing required.
Vehicle Fitment:
Universal Application
Install Instructions:
Download PDF
Full Description:
A high powered modified engine tends to generate excessive blow-by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Catch Cans, the AOS (Air Oil Separator) kit is responsible for keeping blow-by oil and other pollutants out of the air intake and intercooler (if equipped) systems. The main difference is that an AOS system returns collected oil back into the oil pan so there is no servicing required.
Without a properly designed AOS, water condensation can develop and find its way in the oil pan contaminating engine oil. Engine coolant lines are routed through the Radium Engineering AOS in a specially designed heating chamber. This keeps the AOS warm and prevents water from condensing inside. Because water is more dense than oil, there is an integrated water trap found around the bottom perimeter that prevents condensation from descending into the oil pan.
For AOS crankcase plumbing, the valve cover vents are routed into the top inlet where the stainless steel condensing material separates the oil from the gasses. The filtered liquid oil is collected at the bottom of the AOS and drawn into the oil pan. Meanwhile, the clean crankcase air can either be vented to atmosphere (VTA) or recirculated to the turbo air inlet pipe. Shown below is a plumbing example.
With a properly operating system, the fluid level inside the AOS will be empty after sitting. If there is a possible return obstruction, simply unscrew the anodized billet aluminum dipstick for inspection. Conversely, the entire billet unit disassembles into 3 large pieces for servicing.
Install Notes:
• In order for the AOS to function properly, a port must be supplied on the engine for the oil to return through.
• The AOS must be mounted high enough in the engine bay so that the port on the bottom is higher than the oil return port on the engine.
• Engine coolant must be available to be routed to AOS in order facilitate heating it so that it functions correctly.
Benefits:
• Effectively raises the octane and increases engine performance with cleaner inlet air
• Prevents oil buildup in the intake or intercooler system walls, throttle body, intake manifold, etc.
• Lowers hydrocarbon emissions
Includes:
• Machined aluminum Radium Engineering AOS
• Anodized universal mount that permits 360deg rotation
• Two 5/16" barbed fittings for coolant lines
• Stainless steel hardware
Ports:
Top Port: 7/8"-14 threaded for 10AN ORB fittings
Side Port: 7/8"-14 threaded for 10AN ORB fittings
Bottom Port: 7/8"-14 threaded for 10AN ORB fittings
Coolant Ports: 7/16"-20 threaded, includes two 7mm (or 5/16") barb fittings
Measurements:
AOS Height: 6.94" (top of dipstick to bottom of AOS)
AOS Diameter: 3.45" Round
AOS Capacity: 20.3 oz (600mL)
Vehicle Fitment:
Universal Application
Install Instructions:
Download PDF
Full Description:
A high powered modified engine tends to generate excessive blow-by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Catch Cans, the AOS (Air Oil Separator) kit is responsible for keeping blow-by oil and other pollutants out of the air intake and intercooler (if equipped) systems. The main difference is that an AOS system returns collected oil back into the oil pan so there is no servicing required.
Without a properly designed AOS, water condensation can develop and find its way in the oil pan contaminating engine oil. Engine coolant lines are routed through the Radium Engineering AOS in a specially designed heating chamber. This keeps the AOS warm and prevents water from condensing inside. Because water is more dense than oil, there is an integrated water trap found around the bottom perimeter that prevents condensation from descending into the oil pan.
For AOS crankcase plumbing, the valve cover vents are routed into the top inlet where the stainless steel condensing material separates the oil from the gasses. The filtered liquid oil is collected at the bottom of the AOS and drawn into the oil pan. Meanwhile, the clean crankcase air can either be vented to atmosphere (VTA) or recirculated to the turbo air inlet pipe. Shown below is a plumbing example.
With a properly operating system, the fluid level inside the AOS will be empty after sitting. If there is a possible return obstruction, simply unscrew the anodized billet aluminum dipstick for inspection. Conversely, the entire billet unit disassembles into 3 large pieces for servicing.
Install Notes:
• In order for the AOS to function properly, a port must be supplied on the engine for the oil to return through.
• The AOS must be mounted high enough in the engine bay so that the port on the bottom is higher than the oil return port on the engine.
• Engine coolant must be available to be routed to AOS in order facilitate heating it so that it functions correctly.
Benefits:
• Effectively raises the octane and increases engine performance with cleaner inlet air
• Prevents oil buildup in the intake or intercooler system walls, throttle body, intake manifold, etc.
• Lowers hydrocarbon emissions
Includes:
• Machined aluminum Radium Engineering AOS
• Anodized universal mount that permits 360deg rotation
• Two 5/16" barbed fittings for coolant lines
• Stainless steel hardware
Ports:
Top Port: 7/8"-14 threaded for 10AN ORB fittings
Side Port: 7/8"-14 threaded for 10AN ORB fittings
Bottom Port: 7/8"-14 threaded for 10AN ORB fittings
Coolant Ports: 7/16"-20 threaded, includes two 7mm (or 5/16") barb fittings
Measurements:
AOS Height: 6.94" (top of dipstick to bottom of AOS)
AOS Diameter: 3.45" Round
AOS Capacity: 20.3 oz (600mL)
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