Oil catch can help!!!!!

Actually the W1 I received is different than yours. Mine has provision for the breather and includes one, no dipstick, and the body doesn't unscrew. Has about a Kajillion.3 tiny screws to open both top and bottom. Also, according to what the manufacturer thinks is instructions, my inlet is on the right, and I see yours is on the left. In truth, there are no instructions, just a couple of lousy diagrams. And to top it off, the allen wrench they include isn't the right one for all those little screws!! Maybe that's why it was only $58. Same company though. ADD W1 can.

 

Make sure to do some research to determine if the breather is ok. I thought the system had to be closed air tight.

 

Not going to use it. There's a plug where the breather goes. You have to remove it to install the breather. Going to leave the plug in. Thanks for the heads up.

 

Thinking about doing this. I had a chance to check the valves on my Nissan Versa with only 70K miles and when I looked into the intake ports, they were caked with sludge up to where the fuel injector sticks out! The valves were super clean though since this is port injected, but still not happy with how much sludge there was on the intake walls. Can you guys post pics of how much oil gets drained?

 

Oil catch can is useful if you are trying to diagnose blow-by related oil consumption problems, but as far as keeping your combustion chamber clean, pretty much pointless. The ratio of oil to gasoline that will be burned through your engine is so minimal that it will never amount to anything. If a 2-stroke engine can last through 5 gallons of gas (0.5-1 qt of oil), then over the lifetime of your truck, you have nothing to worry about.

 

sludge can still accumulate in the intake manifold and restrict flow. When I disassembled my old 22re years ago the entire inside of the intake manifold was caked with black greasy nastiness.

 

Weldo, maybe I'm overthinking but I have a question about the engine diagram in your post #11 and your pictures in post 16. They clearly show the pcv valve at the top of the engine and tubing running over to the intake. If the system is venting the crankcase, which should be at the bottom of the engine, why is the valve up top and not down at the bottom of the engine? Internal passage in the block? I'm confused.

 

Yes, there should be some internal passages in the block. Most engines will vent the crankcase from the valve cover. After the oil is pumped up to the head and cam it will drain back down to the pan. Effectively it is all one open space from the valve cover to the oil pan and the underside of the pistons. Some race engine even go a step further and add a vacuum pump to create negative pressure in the crankcase. This has been shown to increase power.

 

Thanks!! I appreciate the tutorial.

 

Not sure what motor this is but most over head cam engines are probably similar. Those holes are where the oil gets back to the oil pan.

 

Just back from a 3k mile trip
Mostly condensation

 

that looks like a lot of fluid

 

Wondering if anyone with a catch can has had issues with smog inspection. Yes technically this is an improvement to the system but some smog techs go strictly by the book and will fail anything that is not factory.

 

I am more concerned about life of catalytic converter. 2 strokes don't have them, our trucks do and there very expensive so keeping oil out of intake would be good thing.

 

Well I sold the truck but took this off beforehand, if someone wants to buy it.

Like I stated before it was mostly water, which in the intake would not condense and simply go through the engine as vapor doing nothing.
In my opinion the amount of oil is negligible and will also vaporize once the engine is at operating temp; and will burn completely through the combustion process. I personally don't ever see enough being able to collect in the runner. Also this enters post MAF

About oil and 2 strokes and cats !
2 strokes have high emissions because of incomplete scavenging, not incomplete combustion. That's why DI 2 strokes are some of the cleanest engines.
The oil through the intake will never have a negative effect of the longevity of the cat on any modern engine; it'll combust.
That said you could easily go dump a at qt engine oil in your full fuel tank and it won't change a thing, other than waste a qt oil.
It will burn clean.
In MX people mistakenly think the oil dripping off there silencer is from premix ratio; the reality is poor jetting. Wheather 60:1 or 16:1 the oil will burn completely if the (jetting) air fuel mixture is correct.

 

Just took my throttle body off yesterday to give it a good cleaning. Looked down into the manifold and wow is there a lot of gunk down there. I think after 180k miles it's time to pull the intake manifold for a cleaning and install a catch can. There's so much I've learned from this site. Wish I had know about this from day one. Would have done it then.

 

That gunk is probably there because of dirty air coming thru ur filter and not because of the crank case ventilation.