Seafoam injection

[Minty JL]

Remember - if you have a catch can and are catching pure oil, for every ounce you catch, your crankcase is at least that much lower.
So if you catch much oil, you need to keep watch on the dipstick. (and question the performance of the PCV in that engine because most don't do that)

Since mine will go 7,000 miles and not be even half a quart low, that's telling me I don't have a PCV or other issue.

PCV valves can and do go bad.
I asked one of the busiest Jeep shops in our area to save me a used PCV valve.
It took them over a month to replace one so they could give me the used valve (I'll post more on that later.)
So although it happens, it's not totally common if it takes that long for a shop to get me a used one as busy as they always are.

We used to use a Wynn's product that worked a lot like Seafoam and for that matter, Seafoam may just be a modern version. It really worked wonders when a car would come in with "knock" due to carbon build-up and other issues we knew were carbon buildup related.
Yeah, the smoky trail you left meant that area had no bugs for a long time, but in almost every case, it resolved the issues.
We also used water to resolve hard carbon build-up on older vehicles - a Coke bottle of water poured slowly down the carburetor - as quick as possible but not to let it die while running the engine at a fast idle.

I'm a believer in the upper cylinder cleaners - since about 1973 or so

Yes Sir, watching the dipstick levels like a hawk. But there is 32oz to a quart.......so the oil loss is minimal at best.

My actual concern is that amount of oil being sucked into the intake track and combustion chamber.........leading to poor performance and burn.

I honestly believe I'm mitigating so of the issues by running 89 octane instead of 87. Like in a 2 cycle, too much oil over time fucks with the plugs because oil does not burn at the same rate as gasoline.

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[ShadowsPapa]

oil does not burn at the same rate as gasoline

Or as completely, and leaves more carbon, etc., behind (than gas)
Oil messes with the cats and so on as well.

I run 87 most of the time unless I can get U88, then I run that.

 

[Minty JL]

Or as completely, and leave more carbon, etc., behind.
Oil messes with the cats and so on as well.

I run 87 most of the time unless I can get U88, then I run that.

Bill, you're smart or smarter than me.......you know the holistic point I'm driving to.

Excessive oil heading to the combustion camber is not beneficial. That's my sole point, respectfully

I'm documenting everything in a non-bias manner. Stick to facts, not lame emotional BS.

 

[ShadowsPapa]

Bill, you're smart or smarter than me.......you know the holistic point I'm driving to.

Excessive oil heading to the combustion camber is not beneficial. That's my sole point, respectfully

I'm documenting everything in a non-bias manner. Stick to facts, not lame emotional BS.

I was totally agreeing - and adding that oil does more than just mess up the burn.
Didn't think I put any emotion into it at all.

 

[WestwallNF104A]

Well today was another welcome to the shit show. Had a big push/requirement from work drop on my lap with zero guidance other then, don't fuck it up lol.

I did slice a few minutes out to check the new catch can to see what's happening there. I'm baffled, there should not be this much oil after 500ish miles.

Not a single GM engine or platform I've owned has had this much oil in 500 miles or 5000 miles.

So if I didn't have a catch can, all of that shit would be in my intake or dropped into the valvetrain/combustion camber to be burnt off ........that's excessive. No wonder why it was running like shit.

Can't wait to actually Seafoam this bish now

That's nuthin! This is after 14,000! Fortunately there was no metal in it

 

[Minty JL]

I was totally agreeing - and adding that oil does more than just mess up the burn.
Didn't think I put any emotion into it at all.

You're good Bill.

The emotional comment, was just a general statement in regards to what I'm doing with the process

 

[ShadowsPapa]

You're good Bill.

The emotional comment, was just a general statement in regards to what I'm doing with the process

For me, anyway, it would be quite interesting to track what the catch can catches in xx miles, run for a while, then change the PCV valve out, and compare.

Anyone involved in security, DoD, etc. - must be methodical, so your posts will be interesting for me to follow.

 

[Maximus Gladius]

I took my catch can sample to the lab again after putting on 5000 kms. Both reports are on this report. What I did differently to the first report was take the new hoses off the PCV/can/intake and sprayed them out with brake clean. I also caught oil in the first 1000kms and dumped it out, then captured it for the next 5000 kms for the lab. (2 ounces) I did this because the first report was just shocking with crazy high numbers showing dirt contamination, glycol and stuff (no water or fuel though).

The glycol in the second report is clearly from the chemistry of the fuel hose used for the catch can because it isn’t in my engine oil.

 

[ShadowsPapa]

I took my catch can sample to the lab again after putting on 5000 kms. Both reports are on this report. What I did differently to the first report was take the new hoses off the PCV/can/intake and sprayed them out with brake clean. I also caught oil in the first 1000kms and dumped it out, then captured it for the next 5000 kms for the lab. (2 ounces) I did this because the first report was just shocking with crazy high numbers showing dirt contamination, glycol and stuff (no water or fuel though).

The glycol in the second report is clearly from the chemistry of the fuel hose used for the catch can because it isn’t in my engine oil.

Brake cleaner will break down most hose materials.
Make sure you don't have any air leaks at all between the PCV and valve cover, and hoses from PCV to catch can, etc.
The oil in the catch can shouldn't be much different than what's in the crankcase because frankly, the separator before the PCV will drop most of the oil back to the engine, only some goes through the PCV and beyond.
In other words, the oil sort of splits at the back of the valve cover in the separator - some going to the PCV and catch can, most back into the engine.
The oil in your catch can is what's blowing around inside the engine, and most eventually settles back into the pan.

 

[Hootbro]

I took my catch can sample to the lab again after putting on 5000 kms. Both reports are on this report. What I did differently to the first report was take the new hoses off the PCV/can/intake and sprayed them out with brake clean. I also caught oil in the first 1000kms and dumped it out, then captured it for the next 5000 kms for the lab. (2 ounces) I did this because the first report was just shocking with crazy high numbers showing dirt contamination, glycol and stuff (no water or fuel though).

The glycol in the second report is clearly from the chemistry of the fuel hose used for the catch can because it isn’t in my engine oil.

You and Glycol again. I am starting to think your lab would find Glycol in a distilled water sample.

 

[ShadowsPapa]

You and Glycol again. I am starting to think your lab would find Glycol in a distilled water sample.

Well, glycol is pretty generic - includes a whole chemical class used in ball point pens, paints, cosmetics, ink stamp pads, plastics and more.
So if all they are seeking is "glycol" - they'll find it all over the place.

 

[Maximus Gladius]

I gotta tell you though, having cleaned out the intake manifold, changing the spark plugs, PCV valve and put in the catch can, the engine runs so nice and now that I’m not burning that oil, I feel it in throttle response and power.

 

[Hootbro]

Well, glycol is pretty generic - includes a whole chemical class used in ball point pens, paints, cosmetics, ink stamp pads, plastics and more.
So if all they are seeking is "glycol" - they'll find it all over the place.

Yeah, but there is the distinct Ethylene Glycol used primarily in coolants that I wonder about with the lab he uses and what exactly they instrumented for to sample?

I have doubts that he actually had as much Glycol contamination in the past and is more of lab issue and what they trigger with false positives.

Nobody has that much glycol contamination on different occasions as he had unless he was doing it himself or the lab results were over sensitive and triggering on the other Glycol types that are noninvasive and benign

 

[ShadowsPapa]

But scientifically speaking - the better feel could have resulted from spark plugs, PCV, and cleaning..............

 

[Jaxmax]

Minty I think you should keep your wife happy for a bit more and change out just the PCV valve, and see what changes if any there is…..just saying …..Jack

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