We are talking about a positive crank case pressure work horse motor with a valley pan .. My experience after first adding it to FE motors back in the 80's and running them until now has been nothing but a positive effect on oil and a significant reduction in sludge over the motors that did not have one (catch can) .. I would even be willing to argue that the added protection to the oils ability to lubricate and reduce heat in a hard working environment and will help prevent premature wear on the internals of any work motor .. My $.02 .. The real proof is what comes out of the catch can when you drain it ..

 

Thanks for the information.

 

Well then that's okay for your way of thinking. But still using the correct oil and engine
and temp thermostat burns off these by products. Sludge was in yesteryears engines with non-detergents oils and low engine temps.

Sludge is almost a forgotten word when people do proper maintenance. May be this was your problem of having to deal with sludge.


A work horse or any other type of motor it don't matter, poor engine maintenance leads to the buildup of by products= sludge.
And that's the bottom line.. But guess you would argue that point

Orich

 

My high mileage engine could use one. After long trips I have to clean out the oil that gathers in the low parts of my stock air cleaner. My truck has the PCV and the hose from the air cleaner to the breather on the driver's side.

 

@Orich

I totally agree with this statement where we part ways is for someone who is converting what was previously an emissions motor to run with or without it the learning curve is steep for the average truck enthusiast .. To get to a well tuned motor is an uphill climb where many don't have the skill set or the patience to get there .. Let alone the tools like an exhaust analyzer etc. to achieve tuned utopia so we are left with insurance devices so we don't damage our precious motors while we learn .. I challenge you to run a catch can and inspect what comes out of it when you drain it .. Then tell me your perfectly maintained and tuned motor is capable of burning that crap with a stock ignition system .. Lets be truthful here most of us myself included try to maintain our vehicles but fall short more often than not so in the real world we have sludge of which we may have inherited from a previous owner .. Since from what you say you have never run a catch can so anything you have to say about it has to be mostly speculation does it not ? .. I respect your opinion and weigh it against my real life experience and respond accordingly nothing more and nothing less ..

 

Then a catch can would help reduce that oil build up.

But buy one with a inner filtering screen inside only. As these will do the most good versus the empty can type..

Orich

 

I was looking for comments regarding using a catch can between the valve cover breather on the driver'side of the engine and the air filter housing. Solution would be the same as for the PCV, I believe.