Oil Catch Can. Yes or No?

[Floyd]

My Blackstone test came back back very good, but the action of the catch can might be part of the reason for that.

Thus far catchcans have been touting the extraction of vented oil and preventing it from reaching the intake.
You seem to now claim that a catchcan actually improves crankcase ventilation?
If anything, a catchcan would restrict ventilation, certainly not enhance it.

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[Ace Holliday]

Thus far catchcans have been touting the extraction of vented oil and preventing it from reaching the intake.
You seem to now claim that a catchcan actually improves crankcase ventilation?
If anything, a catchcan would restrict ventilation, certainly not enhance it.

By design there is no way a catch can will restrict flow. At least not the Mishimoto can anyway. Of course the jury is out on a can helping with the carbon build up on the valves. But I know for a fact the crap I empty out of my catch can would have been routed back into the induction system. There is no denying that.

 

[Floyd]

By design there is no way a catch can will restrict flow. At least not the Mishimoto can anyway. Of course the jury is out on a can helping with the carbon build up on the valves. But I know for a fact the crap I empty out of my catch can would have been routed back into the induction system. There is no denying that.

Not the point of my post ... Racket seemed to imply that a catchcan would actually enhance crankcase ventilation.
But to your point... don't empty your catchcan and see what restrictions develop, especially in cold weather.

 

[Dustanmont]

Oil Separator, Part #: 6A785. On the side of the motor, between block and Turbo

The factory separator does a pretty good job. Like any separator it is not 100% effective but I believe this is the reason we mostly catch condensation and raw fuel in our aftermarket systems.

 

[Racket]

Not the pointof my post ... Racket seemed to imply that a catchcan would actually enhance crankcase ventilation.
But to your point... don't empty your catchcan and see what restrictions develop, especially in cold weather.

I don't think I overtly claimed it would enhance crankcase ventilation but then I think that it does. My dual vacuum setup keeps the performance consistent.

I feel comfortable saying that ain't pure H2O either - who knows what water soluble crud is in that bong water?

 

[Floyd]

I don't think I overtly claimed it would enhance crankcase ventilation but then I think that it does. My dual vacuum setup keeps the performance consistent.

I feel comfortable saying that ain't pure H2O either - who knows what water soluble crud is in that bong water?

You're right, that's why I said "seemed to imply" but then I guess I wasn't far off.
I personally don't see the slightest justification to think so.
I figure the best you could hope for is it won't interfere when maintained meticulously.

 

[Racket]

Not the pointof my post ... Racket seemed to imply that a catchcan would actually enhance crankcase ventilation.
But to your point... don't empty your catchcan and see what restrictions develop, especially in cold weather.

I don't think I overtly claimed it would enhance crankcase ventilation but then I think that it does. My dual vacuum setup keeps the performance consistent.

I feel comfortable saying that ain't pure H2O either - who knows what water soluble crud is in that bong water?

You're right, that's why I said "seemed to imply" but then I guess I wasn't far off.
I personally don't see the slightest justification to think so.
I figure the best you could hope for is it won't interfere when maintained meticulously.

I feel using the catch can is meticulous, so point taken. Whatever the gunk I am dumping from it contains is not being sent back into the engine, and it makes sense it is why my Blackstone oil test showed low amounts of specific contaminants and perhaps fuel (although fuel presence might be more of a result of driving conditions).

 

[Floyd]

I don't think I overtly claimed it would enhance crankcase ventilation but then I think that it does. My dual vacuum setup keeps the performance consistent.

I feel comfortable saying that ain't pure H2O either - who knows what water soluble crud is in that bong water?

I feel using the catch can is meticulous, so point taken. Whatever the gunk I am dumping from it contains is not being sent back into the engine, and it makes sense it is why my Blackstone oil test showed low amounts of specific contaminants and perhaps fuel (although fuel presence might be more of a result of driving conditions).

I don't think I overtly claimed it would enhance crankcase ventilation but then I think that it does. My dual vacuum setup keeps the performance consistent.

I feel comfortable saying that ain't pure H2O either - who knows what water soluble crud is in that bong water?

I feel using the catch can is meticulous, so point taken. Whatever the gunk I am dumping from it contains is not being sent back into the engine, and it makes sense it is why my Blackstone oil test showed low amounts of specific contaminants and perhaps fuel (although fuel presence might be more of a result of driving conditions).

meticulous would be cleaning it regularly.

Isn't changing your oil actually cheaper than paying Blackstone to to check it?
In fifty years of regular changes with good oil I have never had an engine part which ran in oil show wear.

 

[Ace Holliday]

Isn't changing your oil actually cheaper than paying Blackstone to to check it?

Isn't changing your oil actually cheaper than paying Blackstone to to check it?

Pretty sure you missed his point. Or maybe you were just being facetious? We don't analyze crankcase oil to avoid changing it. That is ridiculous. There is valuable information in that oil.
I don't understand why those that don't believe there is a need for supplemental PCV systems have to attempt to justify their opinion to those of us that do. What's the big deal?
Time to move on from this. It's getting worse than a "discussion" of politics or religion. Nobody is changing anybody else's mind and are just attempting to justify their opinion and prove how smart they are.

 

[Abjectwoe]

Maybe in a couple years we'll have some definitive on this ?

 

[Floyd]

Pretty sure you missed his point. Or maybe you were just being facetious? We don't analyze crankcase oil to avoid changing it. That is ridiculous. There is valuable information in that oil.
I don't understand why those that don't believe there is a need for supplemental PCV systems have to attempt to justify their opinion to those of us that do. What's the big deal?
Time to move on from this. It's getting worse than a "discussion" of politics or religion. Nobody is changing anybody else's mind and are just attempting to justify their opinion and prove how smart they are.

Is not I who missed the point....Actually as a fleet mechanic for a major oil company , determining oil change intervals and wear patterns on heavy equipment is precisely why we did oil analysis.
We never did oil analysis on light trucks or cars simply because it was a waste of money.

Why is it that your belief in the need for catchcans simply can not stand to be challenged?
Do you feel the need to justify your opinion to those who simply question your doctrine.
What's the big deal? Is it just to prove how smart you are?

If you think it is time to move on, then please do so,
I'll do so as well... when I'm ready.

Honestly, I m sorry you are offended. I don't claim to be any smarter than you and have no desire to prove it one way or the other.
Any doctrine which can not withstand scrutiny, needs more of it.

 

[Rp930]

7 more pages of drivel since I last checked in.

Still no.

 

[Texasota]

Dave (@AzScorpion) and Terry (@FoD), this thread is crying for some damper feuding!

 

[landiscarrier]

7 more pages of drivel since I last checked in.

Still no.

Still agree with you. ha

 

[Big Blue]

Dave (@AzScorpion) and Terry (@FoD), this thread is crying for some damper feuding!

Pandampic strikes another thread!

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