The only downsides are figuring out how to mount one under your hood, and remembering to empty it every now and then. 6L N12, for the following MINI years / models: 2007-2010, MINI Cooper Clubman (R55), MINI Cooper Hatchback (R56), MINI Cooper Convertible (R57). As Jason Fenske of Engineering Explained shows in this video below, even a budget catch can is better than nothing. Since direct injection engines shoot fuel directly into the cylinder, there's nothing preventing gunk from building up.Īn oil catch can acts as a filter, plugging into this hose line to "catch" the contaminants before they can reach the intake. Had no room for the can next to the engine earth strap as I have the cabrio braces. If you want to catch some oil on an R53 you need to install the can on the PCV line going to the supercharger. Why does this specifically affect direct-injected engines? Well, in port-injected engines, the fuel being sprayed into the intake works as a cleanser, washing off any oil buildup that might occur. Like you have noticed, not much oil is moving through the PCV line on the right side. These contaminants can build up inside the intake when left unchecked, this buildup can hurt fuel economy and horsepower, and can even cause misfires. 2009-2015 Mini Cooper Convertible, S, and JCW (R57) 2008-2014 Mini Cooper Clubman, S, and JCW (R55) Please verify. Adding the quick connect nozzles to the McNally Catch Can was the first thing we wanted to do. Interface Gauge Install - P3Cars 2nd gen MINI Cooper S Oil filter housing removal N18 same. While sticking with the Universal design of an Oil Catch Can we will finally have quick connect nozzles. The problem is, this pressure relief hose allows oil and other nasty stuff from the crankcase to get into the intake manifold, where it doesn't belong. This new design has many new features added to our existing design. This hose relieves pressure in the crankcase generated by blow-by (when pressure escapes the combustion chamber by seeping past the piston rings). Here's how they work, and why you might want to install one on your own car.Ī typical catch can plugs into a hose running from the top of your engine's crankcase to the intake manifold. They prevent oil and other contaminants from causing buildup inside your engine's intake manifold. Oil catch cans are simple devices that can greatly benefit direct-injected engines.
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