RX Catch Can installation & PCV system for Turbo & remote mount supercharger systems

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Carmel Carpenter
5 years ago
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RX Catch Can installation & PCV system for Turbo & remote mount supercharger systems The LS based motors have a PCV system that at best is pretty ineffective.

1 RX Catch Can installation & PCV system for Turbo & remote mount supercharger systems The LS based motors have a PCV system that at best is pretty ineffective. This allows oil mist to enter the intake manifold causing undue carbon buildup on the piston tops & valve surfaces & detonation from the contaminated air charge. The catch can goes in-line in your OEM system and due to its design & surface area, condenses these vapors & mist to droplets that then fall to the bottom of the can so only the water vapors, unburnt fuel, & combustion blow-by gasses enter as designed. The result? Little or no oil contamination in the intake air charge & more consistent power & fuel economy. Just take off your throttle body sometime & reach a finger into the intake manifold snout and see how much oil is on your finger. Should be zero. What makes the RX catch can work so well? The design. It is nearly a full one quart capacity (anything less is not as effective due to the surface area cooling needed for the vapors & mist to condense efficiently, and the perforated down tube that evenly disperses the vapors to contact as much surface area as possible. The other design feature is the size of the can itself which allows the velocity of the gasses pulled to slow enough for the oil droplets to fall out of suspension. The smaller the unit size, the faster the flow through it and the less effective at removing the oil vapor/mist from the flow of gasses.

Please note: Depending on the mount location of the head unit, you may need to find an alternate spot to mount the can. Get creative. The bracket can be bent, cut, or modified to work.

2 Please note: Depending on the mount location of the head unit, you may need to find an alternate spot to mount the can. Get creative. The bracket can be bent, cut, or modified to work. Procharger/Vortech/Paxton & Turbo catchcan setup. The Turbo/front mount Super Charger model is unique in it has two integrated check valves that not only meter the amount of flow, but ensure proper crankcase evacuation at all running conditions. The normal intake manifold provides the vacuum when in non-boost operation and when under boost, that valve closes preventing the back-flow from pressurizing your crankcase and the second valve then opens using the inlet side of the Turbo or SC head unit to pull vacuum. Each will close when they sense the incorrect flow so you have no worries of oil leaks or oil in the intake charge. Again, this is a purpose design & built can for forced induction builds that do NOT use a top mount screw type supercharger. The model for top mount SC's is slightly different in configuration. Need tech support? Rxproducts@aol.com and we will be as prompt as possible with answers.

3 V6 supplement: The V6 will need the crankcase vent tube from the rear of the pass side valve cover run to the center fitting of the can. Then the top of the intake manifold fitting run to outlet 1 (either one of the outer ones on the can). Eliminate ANY valves STS included as they have such a screwed up solution they all cause issues even though it is an awesome turbo kit aside from the crankcase portion. Then you will have a line running from the inlet side of the turbo itself, this needs to connect to the other outlet (#2) on the can. The switching valve should be removed so the crankcase fresh make up air comes from the intake as you have it now and does not go anywhere but into the drivers side. Note: There may be a noticeable buzz or rattle when running, this is NORMAL! It is the checkvalve working. Also, the drain tube should be loosely secured with the zip ties so it can rotate when opening the drain. Cut any excess to suite. Note: NOTE: If installing the optional breather you must cap off the nipple on the front inner side of the passenger valve cover and eliminate the hose to the airbridge and cap that end off as well to prevent unmetered air from entering the system.

A&A supplement: On the LS1 you will plus the rear of the passenger valve cover and if you are using the RX checkvalved breather kit you will cap the front fitting on the passenger valve cover as well.

manifold vacuum nipple located on the passenger side of the intake manifold snout.

4 A&A supplement: On the LS1 you will plus the rear of the passenger valve cover and if you are using the RX checkvalved breather kit you will cap the front fitting on the passenger valve cover as well. The rear of the drivers sde valve cover will connect to the center fitting on the can (this is where you are evacuating the crankcase from) and one of the outer fittings will connect to the intake manifold vacuum nipple located on the passenger side of the intake manifold snout. It is neccesary to also run a breather in the oil fill cap on the passenger valve cover so filtered fresh air enters the passenger side, travels through the crankcase and flushes the harmfull compounds out the drivers side. If using the OEM throttle bodie you will also need to cap the fitting on the throttle body that did run the the inner front of the passenger side valve cover. Then the second outlet valve on the catch can connects to as close to the inlet side of the head unit as possible. NOT out at the air filter end as the suction is greatly reduced the further from the inlet turbine you go. Any questions just ask & I'll help walk you through it. You can also call me direct at: when at the car so I can walk you through step by step.

6 In summary: Here is what you will need to do. First, the oil fill cap will be replaced with our checkvalved breather kit. That will be your clean air inlet source. Then, the valley cover (barb under the intake manifold snout that angle toward the passenger side) will need to be capped. The intake manifold vacuum barb facing the passenger side on the snout of the IM will be a line running to one of the outer lines with in-line checkvalve to the can. Center line from can with NO checkvalve will run to the rear barb on the drivers side valve cover. The 2nd outer line from can with checkvalve will run to a barb we install that has to go into the silicone coupler at the base of the air filter. End of air filter gets capped. The way it is now, when underboost oil is pushed into the air filter and the crankcase gets over pressurized (Procharger, A&A, etc. havent a clue how to do this properly...only ECS (East Coast Supercharging) understands it). With the way I laid out, filtered fresh air enters the pas side through the breather, travels around the rocker arms, down the pushrod valley, through the center of the crankcase flushing all the suspended damaging combustion byproducts with it, up the drivers side pushrod valley, over the rocker arms, and out the drivers side rear so the entire motor is evacuated with no dead spots. The vacuum from the intake manifold provides evacuation while under non boost, and as soon as you begin to boost the primary checkvalve senses the IM pressure and closes, then the second checkvalve will sense this and open using the suction/vacuum of the head unit to continue evacuation. Then just the opposite occurs when you come off of boost. This is the ONLY system on the market that provides proper positive crankcase evacuation for a turbo or centrifugal supercharger applications while separating and trapping oil from ingesting and causing the detonation and other negatives. RX Performance Products th St. East Palmetto, Florida (941)

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