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Car Forum / Mercedes-Benz Cars / October 2007Marvel Mystery Oil on Diesel update?
Hey Guys, I am wondering how you are doing with MMO in your diesel fuel... I just saw Kurt said his 87 300SDL is getting 27-28 MPG... so Kurt what was your usual mileage? 24? > I am wondering how you are doing with MMO in your diesel fuel... I just > saw Kurt said his 87 300SDL is getting 27-28 MPG... so Kurt what was your > usual mileage? 24? _____ Tiger, Can you please send me your email address. I want to call you with a few questions about my newest acquisition - a 1985 300D TD (W123.133). I believe that you live in Vancouver, BC. I am in Victoria, BC. You can reach me at C!O@N#T$R%E^X at shaw dot ca.  SignatureRegards / JCH Not in Canada... sorry, but I'd be glad to help you over email... tiger0002@hotmail.com > Hey Guys, > I am wondering how you are doing with MMO in your diesel fuel... I > just > saw Kurt said his 87 300SDL is getting 27-28 MPG... so Kurt what was > your usual mileage? 24? I filled up yesterday. 15.08 gallons and 389.a miles. Call it 25 mpg. Previous fill-up yeilded 27.3 mpg. I think that the MM treatment may have worked, but I've been driving a little more aggressively and faster which would skew the figures somewhat. I'm planning on changing the fuel filter (s) tomorrow, and will track the mileage per usual. Even if the mileage altered with the MM fuel treatment, the apparent added 'pep' in the way that the car drives is quite remarkable. SignatureCheers, Kurt Yes, I feel the same about the pep... I think it cleaned out the injector very nicely. My car is definitely more responsive. > Yes, I feel the same about the pep... I think it cleaned out the > injector very nicely. My car is definitely more responsive. It doesn't hurt to periodically clean out the throat of the injectors. But back when I was running the roads in a big truck, I was told that continious useage of cleaners could erode the injectors. Anyhow, I figure 2-4 tanks of fuel is not continious usage and I am digging the added pep big time! SignatureCheers, Kurt MMO is not a cleaner per se... it is merely a lightweight oil... Yahoo MB diesel forum guys use it all the time... no problem. > MMO is not a cleaner per se... it is merely a lightweight oil... Yahoo MB > diesel forum guys use it all the time... no problem. I'll give this a try too, anyone know where I can get a tin in Vancouver Canada? I looked at Crappytire and no luck... Have you tried your local WalMart if you have any up there? > Have you tried your local WalMart if you have any up there? Thanks I'll take a look >> MMO is not a cleaner per se... it is merely a lightweight oil... Yahoo MB >> diesel forum guys use it all the time... no problem. how much do they use at a time? I've been using lubro moly and seen minimal improvement __________________________________________ Never argue with an idiot. They'll drag you down to their level and beat you with experience. >>> MMO is not a cleaner per se... it is merely a lightweight oil... Yahoo >>> MB diesel forum guys use it all the time... no problem. Good to know. I may not use it every tank fill, but will be adding it periodically. I'm really interested to see if there is an appreciable difference after changing the fuel filters. They are about due for changing anyhow. > how much do they use at a time? I've been using lubro moly and seen > minimal improvement 8 ounces per tank is what I'm using on the 300SDL. Of course it has a big tank too. SignatureCheers, Kurt 4 oz per 10 gallons. > Hey Guys, > I am wondering how you are doing with MMO in your diesel fuel... I just > saw Kurt said his 87 300SDL is getting 27-28 MPG... so Kurt what was your > usual mileage? 24? I got about a 10% increase in both the 4 and 5cyl diesels. The performance increase from new fuel filters and an injector cleaner continued to the increase and made a big difference in the 240D's power. > I got about a 10% increase in both the 4 and 5cyl diesels. The > performance increase from new fuel filters and an injector cleaner > continued to the increase and made a big difference in the 240D's > power. Anyone run long enough to see if mileage has improved and stays that way when no MMO is in the fuel? How about is the improved mileage cancelled out by the cost of MMO? How about comparisons to using ATF? I just purchased an old Bosch injector tester/cleaner on Ebay, so i need to order some heat shields before i use it. SignatureStupendous Man, Defender of Freedom, Advocate of Liberty >> I got about a 10% increase in both the 4 and 5cyl diesels. The >> performance increase from new fuel filters and an injector cleaner [quoted text clipped - 6 lines] > I just purchased an old Bosch injector tester/cleaner on Ebay, so i need to > order some heat shields before i use it. _____ My Mercedes specialist recommends that one adds about one cup of ATF per tank. The reason has nothing to do with improving fuel economy, but with increasing the lower lubricity of current low sulphur diesel fuels. Apparently the injection pumps on the older diesel engines (1980s) are not as sensitive to lower lubricity. The newer injection pumps (moving vanes ?) may show a higher failure rate. SignatureRegards / JCH > > I got about a 10% increase in both the 4 and 5cyl diesels. The > > performance increase from new fuel filters and an injector cleaner [quoted text clipped - 9 lines] > Stupendous Man, > Defender of Freedom, Advocate of Liberty I am going to look at the cost difference/savings on my next fill-up. I have purchased two bottles of MMO so far. I get them for $3.44 (32oz) at the local store. The first bottle I used as an initial treatment and put 8oz in the tank at fill-up, plus 8oz in the crankcase. This bottle I'm using per directions. So, if I use 4-6 oz per tank I should get about 3-4 tanks out of a bottle. That comes to about a $1 per tank. I usually fill up just above empty which takes about 12-13 gallons and diesel is running a little over $2.85 here now (actually higher this week). So, doing the math, it doesn't take much improvement for it to pay for itself. Just a 10% increase (2-3 mpg increase) can save a gallon in one tank. Of course, my problem is that I never seem to fill the tank up the same amount each time, so my mileage isn't as accurate as it could be. The auto-shutoff on the pump always fills my tank too full and it spills out, does anyone else have this problem? The biggest difference I notice is the pep in the engine, already it feels much more responsive, especially when its cold. I've only run two tanks of MMO through mine so far though, so I still have so testing to do. One additional note, does it matter about the note on the back stating that it doesn't meet the low sulfur requirements? That only applies to the newer diesels, right? > > > I got about a 10% increase in both the 4 and 5cyl diesels. The > > > performance increase from new fuel filters and an injector cleaner [quoted text clipped - 33 lines] > that it doesn't meet the low sulfur requirements? That only applies to > the newer diesels, right? I haven't calculated mileage changes that may have occurred but I too have noticed an improvement in how the engine (1984 SD) runs. It seems smoother and more responsive and I seem to see less smoking. I've started using it in my '84 Ford diesel pick up as well and there seems to be a noticeable improvement there as well. I'd read about this but never really tried it. Thanks for pushing the idea, Tiger Jack You are welcome Jack... Report back to us with any information. >>>> I got about a 10% increase in both the 4 and 5cyl diesels. The >>>> performance increase from new fuel filters and an injector cleaner [quoted text clipped - 40 lines] > > Jack I had my '84 240D in Europe last year and it had to be tested for registration. A device was attached to the exhaust which had lots of smoke. The guy doing the testing revved the engine so hard that I thought it would blow up. Finally, after 3-4 minutes he relaxed the accelerator and the exhaust was quite clean. The "smoke" was lots of carbon particles that had built up and this was making the exhaust look dirty. Has this Marvel oil being tested by an independent lab that has a good reputation? RF No... no test... Marvel Mystery oil was developed I think in the 60's by a GM engineer who later left to open his own company. It is a thin oil. > No... no test... Marvel Mystery oil was developed I think in the 60's by a > GM engineer who later left to open his own company. It is a thin oil. Thanks Tiger. I find this really astounding. If it's as good as this thread believes, why was it not tested by a test company with impeccable credentials way back? This would have put out the good news 40 years ago and the guy would have made a fortune on it by now. A similar product is being advertized on Quake radio (www.quake.com), with claims for greatly reduced emissions and higher mileage. Ed Schultz (Radio Guru) is one of the people pushing it. I asked the company that sells it about testing and here is what I received: "Thank you for your inquiry on CA 40g fuel additive. I forwarded your question to the manufacturer and they supplied me with a test performed by Northern California Diagnostics Laboratories, Inc. It is now on our website. http://www.hydro-zoneinc.com/ca406.htm" I would like to believe these claims but I need something really solid before I spend any money on it. I'm looking forward to your opinion. RF >> No... no test... Marvel Mystery oil was developed I think in the >> 60's by a GM engineer who later left to open his own company. It is [quoted text clipped - 24 lines] > > I'm looking forward to your opinion. When I had diesels (years ago) I used to run a bottle of techron through them about every 4-5 tankfulls or about every oil change. It seemed to keep the fuel system clean and increase pep, however I never saw it as a cost savings. Today I still run a bottle of techron through the cars (gasoline) about once a year or every FSS oil change. As far as Mercedes recommendations go, I believe they eschew additives. |
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