Crank case vent dripping oil

[Psilosin]

If you buy an off the shelf oil catch can at a car tuner shop make sure the inlet and outlet ports are as large or larger than the existing vent pipe.

Most off the shelf catch cans are made for sports cars amd have small 9mm openings. If you use these then you might not be relieveing the crankcase pressure quick enough and can cause problems.

Heres a picture of my setup when i had it on my Surf (now removed to make room for 2nd battery)...modified a Greddy can with 1/2" inlet and outlets. It replaced a simple tube going from the cranckcase back to the air intake pre-turbo. The Aussie Surf guys say that blowby oil pre-turbo is bad news so this scrubs it out.

[mac]

Originally Posted by canucksafari

This is too much... Time to ditch this guy.

Tapage is a much respected member of this forum with LOTS of Toyota diesel and homebrew turbo experience. His opinion is valued. Because english is not his native tongue, at times language can be a small barrier to understanding. This is probably one of those cases.

[eleblanc]

Originally Posted by mac

Tapage is a much respected member of this forum with LOTS of Toyota diesel and homebrew turbo experience. His opinion is valued. Because english is not his native tongue, at times language can be a small barrier to understanding. This is probably one of those cases.

I beleive, Canucksafari was refering to the guy i meet at the diesel shop.

[canucksafari]

Originally Posted by eleblanc

I beleive, Canucksafari was refering to the guy i meet at the diesel shop.

Mac, I wouldn't think of ditching Tapage. Y tambien lo entiendo muy bien en ingles o en espan~ol. And yes, I was refering to the guy who eleblanc met at the diesel shop. So again in Spanish so it is clear for everyone:

Esto es demasiado [pinche cabron de taller quien no sabe nada]... es tiempo que dejas este wey en la zanja.

Let's see if the language police software on MUD catches Spanish.

Atentamente, John

[eleblanc]

Had some fun this morning!

[lostmarbles]

Originally Posted by eleblanc

Basicly he said, if its smoking its coating the blades...
I told him i wasn't smoking at all, he ask me, "is your inside tail pipe black?", i said yep...

Maybe I am misunderstanding (and I don't have a turbo) but if this statement is deemed to be "stupid" - Then I'm stupid too. (Oooh. Perhaps I should rephrase this?)

I get the impression he was saying that "blowby is made up of exhaust fumes. Exhaust fumes carry carbon etc. (Look at your exhaust.) So routing your blowby into the intake manifold will coat your turbo blades in crud".

Have I got something wrong. I think the guy in the diesel shop deserves a medal for saying that.

[eleblanc]

Originally Posted by lostmarbles

Maybe I am misunderstanding (and I don't have a turbo) but if this statement is deemed to be "stupid" - Then I'm stupid too. (Oooh. Perhaps I should rephrase this?)

I get the impression he was saying that "blowby is made up of exhaust fumes. Exhaust fumes carry carbon etc. (Look at your exhaust.) So routing your blowby into the intake manifold will coat your turbo blades in crud".

Have I got something wrong. I think the guy in the diesel shop deserves a medal for saying that.

I think what the guy meant is if you clean the inside of your tail pipe exhaust and it kinda quickly becomes black it is good, my guess is that even lean it will become black, due to normal combustion.

[lostmarbles]

Originally Posted by eleblanc

I think what the guy meant is if you clean the inside of your tail pipe exhaust and it kinda quickly becomes black it is go, my guess is that even lean it will become black, due to normal combustion.

Thanks eleblanc

That's the problem with "talking" on a "forum". Statements often have different meanings to different people.

(I guess that's why most of us try to avoid "emotional outbursts". Often the trigger was not even intended as a criticism.)

Yeah. Diesels always have black exhaust and routing blowby into the air intake can only make the blades dirtier. - But I am not by any means advising not to do it. A light coating of carbon can't be toooooo bad - And the engine crankcase acts as a big catch-can for the bulk of the crud in the blow-by anyway.

[canucksafari]

This thread is getting too funny with mis-understandings. As long as you run your CCV through a good oil-catch-can none of the crud is gonna get on your turbo blades. Eleblanc, I understood from your post that your diesel mechanic told you that if the inside of your tail pipe was black then you have turned the fuel up too much. I don't think anyone would disagree with me that there are more cause for a blackened tail pipe - like normal driving - than a fuel screw truned up too much. Hence, I recommended "ditching" him. Personally, I would take it to a diesel mechanic who can dino tune. Anyways, this thread started with a concern about dripping oil and I think the oil-catch-can works just fine. He can vent it to the atmospher from the can as it was origonally vented from the block. But yes, it is nice to take care the planet and burn off any nasty gasses if possible. Y en solidaridad con la madre tierra, creo que no debo comer mas frijoles el dia de hoy.

[eleblanc]

Originally Posted by canucksafari

This thread is getting too funny with mis-understandings. As long as you run your CCV through a good oil-catch-can none of the crud is gonna get on your turbo blades. Eleblanc, I understood from your post that your diesel mechanic told you that if the inside of your tail pipe was black then you have turned the fuel up too much. I don't think anyone would disagree with me that there are more cause for a blackened tail pipe - like normal driving - than a fuel screw truned up too much. Hence, I recommended "ditching" him. Personally, I would take it to a diesel mechanic who can dino tune. Anyways, this thread started with a concern about dripping oil and I think the oil-catch-can works just fine. He can vent it to the atmospher from the can as it was origonally vented from the block. But yes, it is nice to take care the planet and burn off any nasty gasses if possible. Y en solidaridad con la madre tierra, creo que no debo comer mas frijoles el dia de hoy.

I agree with you it is kinda stupid comments, there is more then a lean or rich diesel motor to make a tail pipe black. It is not my diesel mechanic, just a shop i happened to see on the side of the road with "diesel performance" on the sign so i stoped by and check if they had a dyno, and started to talk about all sorts of things.

I'll post up pictures of the can once it is done and installed.!

[mac]

Originally Posted by eleblanc

I beleive, Canucksafari was refering to the guy i meet at the diesel shop.

Woops! Sorry 'bout dat!

[Otterav]

Hey,
See my buildup thread labeled FJ/BJ mutation, I installed an air/oil separator due to the blowby. I had it left over from an aircraft install. Go here: http://www.aircraftspruce.com/ and search air/oil, you will get a pdf catalog and go the "homebuilder" version, $42.00, will fix the issue. I routed the drain back into the sidecover on the 3B.
Hola
eric

[Eric Winkworth]

It's kind of funny how much the worlds turned around on waste oil... 20 years ago they took all the used diesel and gas engine oil... and sprayed them on gravel roads to keep the dust down....

I know these older diesel engines don't exactly get the best emissions (especially non turbo), but I still feel a lot better about it than driving a V8

[eleblanc]

I was at a customer in Montreal last week and talking to technicien assembling genset. I talk to him about my crank case oil dripping. He suggested to me to pull the oil level dip stick, plug a hose in it and using a pressure gage, in inchs of water, to check that i do not exceed 3 inchs of water gauge on full load. If i do, a rings job needs to be planned.... 27 inchs of water equal about 1psi. My truck is hibernating right now, so i will report back when the goose flies north again..

[lostmarbles]

Originally Posted by eleblanc

I was at a customer in Montreal last week and talking to technicien assembling genset. I talk to him about my crank case oil dripping. He suggested to me to pull the oil level dip stick, plug a hose in it and using a pressure gage, in inchs of water, to check that i do not exceed 3 inchs of water gauge on full load. If i do, a rings job needs to be planned.... 27 inchs of water equal about 1psi. My truck is hibernating right now, so i will report back when the goose flies north again..

Interesting!

Easy to make your own water gauge using clear tubing and dyed water too.

[eleblanc]

Originally Posted by lostmarbles

Interesting!

Easy to make your own water gauge using clear tubing and dyed water too.

Yep, just tirap a 1/8" tube in a u shape on a carboard fill it with water and mark graduation at every inch. Then with a tube from the dip stick to inside the cab onto your gauge you can easily have a good idea of the state of your rings. The other end of the U shape tubing goes to the atmosphere.

They also should me there crank case vent setup, i should have taking picture, but basicly they send the crank case vent into a large canister then from the canister to the air intake but before the filter, so that you don't fume the turbo and that the air filter stops the oil fumes.

I was asking about the turbo pressure on that engine in front of me and they replied about 30 psi.....doh....