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I have a 2001 Mercedes E320 with over 280,000 miles, it had a small RMS leak and I tried adding 2 cans (600ml) of LM Motor Oil Saver to the 0w40 that was in the engine. Small RMS leak remained. A few thousand miles later it was time to change the oil again, that time I installed 4 quarts of M1...

Pb wear plummeted going from Castrol 5w40/K&N Filter to a blend of 2 quarts M1 10w40 High Mileage and 2 quarts M1 15w50/M1 Filter. No other changes. UOA PDF

Odometer 273127. The first UOA was done on the oil that came with the car when I purchased it. This OCI was Castrol 5w40 with some Mobil 1 0w40 makeup oil.

Viscosity is lower than I expected to see. This car is new to me so this is my first UOA with it, and I couldn't find any other Volvo 240 UOAs to compare it to. Note I fixed the ODO after I bought this car but it definitely has significantly more that 150k miles. Your thoughts?

the reason this was sampled with only 903 miles on the oil is that the engine was knocking when cold and accelorating from a stop and the owner, a mechanic, could not pinpoint the cause. once the engine is warm the knocking goes away... i am not at all familiar with this engine, but 40ppm Fe...

this was posted and discussed over at TDI club LINK and i thought it may interest the community here as well... Nov05 - Thermographer gets Castrol 505.01 UOA results back from the lab. LINK Fe = 230ppm, Fe wear rate = 19ppm / 1000miles, Soot = 1.88% New OEM filter and Castrol 505.01...

All VOA results are from the same OAI/CTC lab. M1-T&SUV VOA 505.01 & 506.01 VOAs LAP [Lubricating Additive Package: the sum in PPM of an oil's Boron, Magnesium, Calcium, Phosphorus and Zinc content]: Elf 506.01 = 6093 Motul 506.01 = 5628 Elf 505.01 = 5592 Pentosin 505.01 = 5449 Castrol...

We have a thread over at the TDIclub that's dedicated to the analysis of PD Oils [VW spec. 505.01 & 506.01]: PD Oil Analysis Thread

here's my first ever UOA: Fuel: mostly B100 with MMO, Stanadyne & DFS the manual specifies 5k for the first two intervals then moving to 10k. i did my first OC at 3k, this one after 5k, and the next will be after 10k.

I'm trying this oil out in our Toyota 4x4 that we mostly haul, tow and plow with. [ January 18, 2005, 03:17 PM: Message edited by: 59 Vetteman ]

I've done some searching in this forum and in all the threads I found people who had used MMO as a Diesel Fuel Additive seemed to like it. On the can it claims: Is there anyone that has used MMO as a Diesel Fuel Additive and had a bad experience? We own two 04 TDIs and have used MMO in both...