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  #1  
Old 12-03-2018, 12:10 PM
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Old Diesel Engine Combustion "Cleanse"

https://www.youtube.com/watch?v=cyXz7KaXfao
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1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)
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  #2  
Old 12-03-2018, 03:43 PM
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Thought that was interesting myself. I keep a new bottle of vegetable oil in the car for emergencies and once in awhile I'll use it if I don't feel like going to the gas station right away. The first time I did it I thought the engine died it was so quiet. I'll have to try it with the additive.

-Rog
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  #3  
Old 12-03-2018, 04:00 PM
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It is like he's 10 years late to the party
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  #4  
Old 12-04-2018, 02:52 AM
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I guess I've honestly never heard anyone advocating vegetable oil as a way of cleaning or increasing compression. Not on here anyway. But maybe I missed it. Diesel Purge and biodiesel, sure.

-Rog

Last edited by Rogviler; 12-04-2018 at 03:13 AM.
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  #5  
Old 12-04-2018, 09:51 AM
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Kent is always good for a laugh or 5. I like how the squirts tank is 'special fuel tank that I've developed'. Edit, it's a 2 stroke oil bottle, I think.
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  #6  
Old 12-04-2018, 12:14 PM
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The additive is liqui moly MOS2

The engine will ruin quiter with straight unused veggie oil.

I'll try this out on the SDL and E300.
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  #7  
Old 12-04-2018, 01:36 PM
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That''s handy to know about the two stroke container, Kent has a good video using this with diesel purge, separate clear tanks highlight clean and return fuel well.
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1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)
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  #8  
Old 12-04-2018, 02:55 PM
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Quote:
Originally Posted by Father Of Giants View Post
The additive is liqui moly MOS2

The engine will ruin quiter with straight unused veggie oil.

I'll try this out on the SDL and E300.

I think this is just snake oil on his part, and he makes claims that are at best, unsupported, or flat out wrong (mpg up on VO, the common claim that glycerine is in oil). If his compression test is good, he's gonna declare success, without doing a pre- vegetable oil compression test. If it's bad, he had nothing to lose.

At least twice in the video, he plants the 'rebuild in a can' suggestion. This belongs on the shelf next to the other brands of engine honey.



I've still got the 616 my 240D came with, and burning VO, the blowby only increased, from unbelievable to damn right it's time for a new motor. If I tear it apart I expect I'll find oil rings fouled with brown crap because the PO said -it's OK to cold start on oil in the summer, (that's what they did). I've burned hundreds if not thousands of gallons of vegetable oil, and one thing it does not do is clean a thing. If you get some bad fries, it might clean your tailpipe out.


There are people to study and listen to about burning VO and kent is not one of them.
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  #9  
Old 12-04-2018, 05:27 PM
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Ref above post, diesel purge



https://www.youtube.com/watch?v=VfIOHf5UWws
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1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)
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  #10  
Old 12-06-2018, 08:25 PM
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Bio cleans, veggie can increase carbon
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  #11  
Old 12-07-2018, 01:30 PM
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I tend to take what Kent has to say with a grain of salt. The Diesel Purge claims he makes are WAY overblown IMHO. If you have goop in the IP that's causing issues, sure it can help. Otherwise, it's a good way to blow $15 without having a thing to show for it (I've never personally had it make any appreciable difference in my vehicle, despite having some truly horrible looking stuff come back in the return line).

I decided to give this "veggie purge" of his a go in my SDL since I already had a can of MoS2 sitting on the shelf, a spare gallon of clean Wesson, and a 1 gallon bottle laying around. Why not? It's well documented that my SDL's engine is not a picture of health, and it sat in a field for 10 years abandoned, so it should be a good example of his "tuneup in a can" claims.

I started on diesel and let the engine warm up for a few mins, then switched to the disgusting black cocktail, mixed exactly as he showed in the video. Engine was NOT happy, it rocked, surged, loped, and missed for a good 15 minutes or so until it finally smoothed out. Idle still hunted quite a bit, but it ran and quietened down significantly as you'd expect when running on veg oil. For the record, my car has never been happy running on veg oil.

3 1/2 hours later (not 2 like he claims) I was finally out of the veg oil blend and results were somewhat encouraging. The engine was quiet, it was running smoothly, blowby from the cap was minimal (though it was low to begin with) and tailpipe smoke was almost nonexistent. I switched back over to diesel and let it run another 20-30 mins and other than having the normal diesel chatter, it was running the same as it was on the veg oil blend.

Anyone who knows anything about being methodical and scientific knows that anecdotal evidence is immediately dismissed as a result. To me, for Kent's idea to hold any merit, my car should run noticeably better when cold-started the following day and the results I saw from the "veggie purge" should stick around.

The next morning...
Cold started the engine, exactly the same as normal. Absolutely no change whatsoever.

Am I surprised? Not at all. I thought it was BS from the moment I saw that video and my results only solidify that thought more concretely. The only reason I did it was because I had the time, I had the space, I had the materials, and the car is up on jackstands anyway getting the suspension rebuilt. If I got some results, great, if not, at least someone tried it!

If you have an extra bottle of MoS2 and a gallon Wesson you want to dispose of in a time consuming manner, the "Veggie Purge" is a way to do it. Just don't expect miracles and don't fall for the hype of "engine rebuild in a can".
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  #12  
Old 12-07-2018, 02:05 PM
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Personally wouldn't bother with the veg oil side of things, there's nothing in at all to purge build up or loosen rings - that said, the diesel purge idea is something of interest, as someone who has been skeptical for many years I have decided to give it a go.

Diesel, we are in the same boat with potentially similar pump issues, mine may have been standing with water ingress into fuel system - next year will pull the pump replacing all of the seals whist inspecting internal parts for corrosion/damage.

Still have a slight murmur at idle but nothing major, managed to get a litre of Liqui Moly for around $15 delivered - i figure its worth a shot, will report back results.
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  #13  
Old 12-09-2018, 02:54 PM
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I heard running Diesel Purge under full load up an incline is most effective, I'll try that a few months from now.
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  #14  
Old 12-10-2018, 05:21 PM
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Tried this today with 1 litre of Moly diesel purge, took around an hour to work through system - returned fluid no change in colour and certainly nothing like the black colour shown in some YouTube videos.

My guess is a lot of that 'dirt' in kents videos is being released from very old fuel filters, mine gets changed regularly so perhaps not an issue.

In terms of smoothness/overall running, no change at all - complete waste of time and resources.
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