Join Date: Jul 2017
Location: Nobel Ontario Canada
Bullitt Year: 08
Bullitt Color: DHG
Bullitt Serialized Number: 4404
Catch, as Catch Can; Oil Separators
Oil Separators for the 2019 Bullit.
First of all, the current Ford Performance listing will not work with a new Bullit. I believe JLT and Mishimoto make one that will work? See American Muscle listings.
Why do you need an oil separator or "Catch Can"? Under normal driving conditions you don't really need a catch can.
However, with higher compression ratios and turbocharging, under high RPM conditions, your engine is producing a lot more oil mist. In a V8 engine, "fresh" air is drawn into the engine on one side of the engine (valve cover), down into the bottom of the engine and up the other side, through the PCV valve (other valve cover) and into the intake manifold. If the air moving through the engine becomes saturated with oil and vapour mist, it will enter the intake tract and cause carbon and sticky gum build up. With direct injection and turbo charging, you are adding extra pressure, and therefore more "blow by," and oil vapour and fuel laden moisture.
There are some possible issues related to catch cans. You have to drain them regularly or they can mess up the PCV circuit and throw a fault code. They may not be warranty approved. But, then neither is running the high banks of Charlotte or Daytona. I have used them, and for track use, I like the Moroso aluminum unit. It requires some extra work (not plug and play), but it works well and has a drain valve on the bottom for easy maintenance.
Carbon build up has been a problem with direct injection and turbocharged engines. The 2019 Bullit engine has port injection in addition to Di, so that should help with carbon build up. Under daily driver use, a catch can is probably not needed. But, if the car is tracked a lot, an oil separator is a consideration for high performance use.
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