I really dont know squat about how the crankcase breather ties into everything. In typical 42 fashion, every item is available separately for DIY installations. directly to the 3/8 (fuel line hose) which goes to the oil catch can. No features were sacrificed, but 42 Draft Designs eased up on the endless detail to bring you an complete package that’s actually affordable. The individual items in this solution were designed to work together with simplicity & price in mind. Delete the faulty OEM PCV selection valve, convert to a single recirculation point, eliminate harmful PCV gunk in your intake, and gain a boost port in one simple installation. From start to finish, the kit allows an effortless installation of our best oil catch can. This oil catch can solution uses custom designed fittings and hardware to install our ultimate oil catch can in the FSI equipped Mk6 Golf R. 42’s oil catch cans take the basic idea of an oil catch can to the next level! It takes more than an empty can and some tubing to achieve this task. This video will work for both Chargers and Challengers equipped with the 392/6.4L motor. The concept is simple – trap the oil vapors in the PCV system before they have the opportunity to reach the air intake. DIY Install for the Billet Technologies Oil Catch Can. On a micro level, oil vapors displace oxygen molecules altering air-fuel ratios and effectively lower the octane level of your fuel. If you can install another PCV valve, then the performance will improve moreâthe thing I like about it most. Better filtration: The catch can is better to trap oil residue and moisture. That is why itâs light but sturdy and can take high heat and pressure. In extreme cases, this gunk can build up on the valves killing performance. Strong and durable: The catch can is made of high-quality aluminum. These vapors smother important (and costly) sensors with oil and gunk. Most engines don’t, sending a nasty mix of oil vapor and waste gases out the PCV vent and into the intake system. I mounted the oil catch can with (2) self-tapping screws to the passenger strut tower. Pick a spot in the engine bay where you want to locate the oil catch can. Using the 19mm wrench, install the (2) fittings into the top of the catch can. Some engines do a better job of separating the oil vapors before reaching the PCV (positive crankcase ventilation) vents than others. Using a 14mm wrench, install the drain plug into the bottom of the catch can. Every internal combustion engine has pressure and blow-by gases in the crankcase and valve cover.