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  #1  
Old 12-15-2007, 05:58 PM
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Oil analysis results

Just got back results from my second use of Mobil 1 5W40 turbodiesel/truck oil. Looks better than previous results. Had just over 11,000 miles on the oil which is a little more than I usually go.

Iron 20
Alum 4
Copper 1
Chrome 0
Lead 2
Tin 0
Sodium 1
Dirt 4
All of the above normal.

Soot - light
Fuel, water, solids, glycol - all none

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'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles

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  #2  
Old 12-15-2007, 07:44 PM
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That is nice. An OA is the only true way to determine if you need to remove the stuff in your oil by filtration or changing it.
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  #3  
Old 12-15-2007, 07:58 PM
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this is the 240d??
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  #4  
Old 12-15-2007, 08:17 PM
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Can you elaborate on the soot=light? Every oil analysis I've seen gives this number in a %.

Good dino diesel rated oils can handle 2-4% soot and most synthetic diesel oils can handle 5-8%. Soot is really the limiter in our old indirectly injected diesels.

That's why if you top off and change the filter yearly, you probably never have to change the oil if you use synthetic diesel oil.

240Joe
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  #5  
Old 12-15-2007, 08:26 PM
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Wow

So if I change my oil I can go forever without changing it again. That is truly amazing.
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  #6  
Old 12-15-2007, 09:06 PM
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Topping off the oil doesn't make the soot disappear. Duh. If you keep adding salt water to a pot of boiling water, what will you end up with after a while? A pot of SALT! Same for soot. CHANGE YOUR OIL like you're supposed to. It can be high intervals on clean running engines. But analysis must be done to make sure, and on the older diesels, they put a lot more soot in the oil, requiring more frequent change.

I am guessing the analysis was on the 1999 E300, not the 240.
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'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
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  #7  
Old 12-15-2007, 10:15 PM
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Does anyone know where I can get an oil analysis? Anyone know of a Canadian one?
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  #8  
Old 12-15-2007, 10:29 PM
Craig
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Quote:
Originally Posted by drskipper View Post
Does anyone know where I can get an oil analysis? Anyone know of a Canadian one?
I've used blackstone:

http://www.blackstone-labs.com/index.html
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  #9  
Old 12-15-2007, 10:43 PM
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Sorry, should have said this was done on the E300 turbo. I've run into a couple of oil analysis labs that only give soot levels in light, medium or heavy descriptions. Not sure but I think they just kind of look at it or put it on a white piece of paper or something to tell?
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'59 220S Cabriolet-SOLD and living happily in Malta
'83 240D 351,500 miles original owner-SOLD
'88 560SL 41,000 miles - totaled and parted out
https://sites.google.com/site/mercedesstuff/home
'99 E300 turbo 227,500 miles
'03 SLK320 40,000 miles - gave to my daughter
'14 Smart electric coupe 28,500 miles
'14 Smart electric cabriolet 28,500 miles
'15 Smart electric coupe 28,000 miles

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  #10  
Old 12-22-2007, 08:37 PM
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Any advice on running synthetic eg Mobil 1 diesel on my 1983 300D TD sedan with at least 600-700k on it (odo busted at 317k and was so when previous owner - a close friend - k bought it 6 years ago - he put at least 250k on it est. by gas consumption). I've been looking at the synthetics and wondering if it would help preserve the engine. Purists seem to say "stick to oil." Would really appreciate knowledgable input on this topic. Definitely worth it to me if it's at least a "draw" and possibly a good thing,
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  #11  
Old 12-23-2007, 05:00 AM
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Unless it leaks or burns alot of oil, synthetic is always a good option.
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  #12  
Old 12-23-2007, 06:34 AM
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Quote:
Originally Posted by nothernubie View Post
Any advice on running synthetic eg Mobil 1 diesel on my 1983 300D TD sedan with at least 600-700k on it (odo busted at 317k and was so when previous owner - a close friend - k bought it 6 years ago - he put at least 250k on it est. by gas consumption). I've been looking at the synthetics and wondering if it would help preserve the engine. Purists seem to say "stick to oil." Would really appreciate knowledgable input on this topic. Definitely worth it to me if it's at least a "draw" and possibly a good thing,

700k? did it come with diamond rings and piston liners?
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  #13  
Old 12-23-2007, 06:54 AM
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Quote:
Originally Posted by nothernubie View Post
600-700k
Respect to you for that

As for oil, synthetics are better than minerals but you do run the risk of discovering that some of the engine seals are past their best.

If you're planning on keeping it then I'd say use the synthetic but replace the seals. If its just a 'run it until dead' engine then it seems to have done well so far on whatever oil you've been using
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  #14  
Old 12-23-2007, 08:01 PM
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Story on Helga - I've only owned since [IMG]file:///C:/DOCUME%7E1/Owner/LOCALS%7E1/Temp/moz-screenshot.jpg[/IMG] March 07 - is that a good friend owned her for 6-7 years - bought in Las Cruces, NM and the odo was stuck at (actually between 317-318) when he bought it. He's a complete German car freak, mechanic (built/raced Porsche engines and plane engines) and he said he just "ran the hell out of it" with weekly trips between Las Cruces and Las Vegas NM - entire north/south length of the state - approx. 400 miles. He has dozens of pages of fuel refill notes and based on est. of 26 mpg changed the oil religiously. He gave it to a friend in Santa Fe as part of a real estate deal and the friend gave it to his 20 year old son who beat the shi* out of it between Santa Fe, NM and Bozeman, Montana for about 9 months. I came home from a year and a half "sabbatical" in SE Asia needing about all a man can need - car, place to live, etc. My buddy's buddy was tired of paying ins/taxes on 2 cars for his son and so he sold me Helga for 800 bucks with the stipulation that I have a thorough tire-kicking at the local indy German car guy in Santa Fe. 500 bucks, a couple hoses, valve adjustment, oil change later the guy said - well, it leaks everything but other than that it runs pretty damn well. My buddy knows by oil change/fuel fill records that he put 225-250k miles on it. AND, odo was broken when HE bought it 7 years before at 318k. I've run it by one of those roadside radar deals on level ground at 104 mph with throttle left and it 0-60 today in 15.8 with a stopwatch. I've done what he told me he did: I've changed the oil 4 times in 9 months with Rotella 15/40, used diesel power additive almost reiligiously, and occasionally put a little Marvel Mystery oil in both the crankcase and the fuel tank. No so much in the fuel tank. I don't know guys, WTF, real deal. I just noticed a little ticking at idle in the past two weeks but otherwise people have commented on how quiet/smooth she runs for diesel. I have the feeling of impending doom 'cause I just had the entire front-end/suspension rebuilt. I mean the ENTIRE deal.

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