Thread: Oil Catch Can??
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Old 11-20-2013, 09:31 AM
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Mate2011RT Mate2011RT is offline
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Join Date: Apr 2011
Posts: 104
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Vehicle: 2011 Ram R/T
Color: Brilliant Black
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Originally Posted by cnvf250 View Post
So, How important is putting on an oil catch can on 2014 5.7 Ram. Has anyone done it on a one yet. It doesn’t look very complicated. If it is truly necessary I will do it.
It is not truly necessary or it would have been added when the vehicle was designed. Could it be a good idea? yes. Looking at the amount of oil I get out of mine, I prefer to have it rather than recirculating oil into the intake, but it was designed without it, and it is your truck; do what you wish with it.
Same thing for air intakes, filters, synthetic fluids, headers, tuners, exhaust, y-pipes, thermostats, etc, etc. None are truly necessary.

Originally Posted by teflon74 View Post
it removes the oil particulate in the air from the egr valve. Keeps the intake plenum way cleaner. I have one sitting on the bench waiting for my new limited.
^ This

Originally Posted by Silvercreek View Post
I'm not doubting that the catch can keeps the throttle body and the intake clean but I wonder who and why the catch can was invented if it was only for that reason. Not knowing anything about the 5.7 Hemi engine I can't comment on any real benefits of a catch can.
It keeps the throttle body and the intake clean. That is a pretty good reason for invention and applications.
I am not sure when the item itself was invented/patented, but versions have been around since steam engines to separate lubricating oil (pistons) from water used in generating steam (fuel). Carried over into IC engines, they have been around as long as I can remember, usually in performance or precision applications rather than mass production as they are a maintenance item no one wants to be responsible for. Exception being aviation and military, but neither are 'production' really, and have a much higher service and inspection interval than domestic automobiles.

Originally Posted by dbuzz77 View Post
i'm just working on mine. they say it steals octane from your gas,especially if you add mods and are looking for performance
enlighten me, and please reference 'they'
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