oil catch can is good or bad

CobraSam

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I think its a great idea on any car. Especially if it utilizes the factory PCV or if you don’t want oil mist in your engine bay if your running open breathers.
 

CobraBob

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It is NOT a bad idea. It IS a good idea. Installing the oil catch can will prevent oil build up, caused by "blow-by" in the intake. The concept is pretty simple. The contaminated oil is stored safely in the catch. When you doing an oil/filter change, you dispose of the contaminated oil stored in the catch can.

The PCV system draws a fine oil mist that gets included to the A/F intake charge. This can lead to reduced combustion, a dirty throttle body/intake manifold, fouled spark plugs, and more.

Do it!
 

BlckBox04

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Definitely a good idea. Empty it every time you do an oil change
 

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