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Does any know what these are from the ISO standard, assuming they exist for gas cars? Thanks, Regards, paul...

I'm not an oil expert -- just trying to be an educated consumer. While reviewing the 2004 ACEA oil sequences, I see the terms RL 140, RL 148, RL 197, RL 206, RL 216 in the Engine Tests section of the sequence paper. What are these terms and where can I find definitions/values for these as they...

Sorry for the stupid question, but I'm not an expert at this stuff and just barely qualify as a novice. Given that I have kinematic viscosity values (in cSt) for an oil at 100 deg C and 40 deg C, and a VI value, can I calculate the HTHS vis value (at 150 deg C) if the only density value I have...

Has anyone used this oil, and what do you think about it? I searched the UOA forum section with no results and this forum section doesn't specifically mention the "X-cess" variant. Any info would be appreciated. TIA, Regards, paul

Received my UOA report from Blackstone's. I have a concern regarding the "high" Sodium content found (30ppm) since it was much less in the prior analysis (4ppm). Any advice is appreciated. Here's the comments text and numbers: "PAUL: We didn't find much changed to wear in this second oil...

Does anyone know the TBN of virgin Mobil 1 0W40? If not, I'll just send a sample to Blackstone the next time I change my oil -- I don't mind spending $10 to satify my curiousity. I called Exxon/mobil but they didn't want to tell me because they consider that proprietary info. Thanks. Regards...

Some of the W211 (E500/320) models have experienced problems with faulty radiators causing coolant to get into the ATF lines and ruining the transmissions. When I first read about this problem on the MB forums, it naturally scared the #&*@ out of me, so I wanted to know if my ATF was...

Analysis performed by Blackstone Labs 2/27/06 EQUIPMENT MAKE: 2003 Mercedes Benz E320 EQUIPMENT MODEL: 3.2L V-6 FUEL TYPE: Gasoline -- Unleaded Miles on Engine: 53,581 OIL USE INTERVAL: 14,521 Miles OIL TYPE & GRADE: Mobil 1 0W/40 MAKE-UP OIL ADDED: 0 qts PAUL: It looks like you onboard...