Interesting indeed! Looks like the OP of the article has some experience with diesels. His recommendation of CJ-4 15W40 for OM642 has peaked my curiosity.
I do like his recommendation for the magnetic oil drain plug. Drainplugmagnets offer what looks to be a solid piece of engineering . I have some past experience of using Japan built ( made by Spoon company) unit that simply had magnet "unglue" from the bolt!
I do like his recommendation of pulling belly pans off during summer months to keep the motor cooler. I think I may pull the top cover off too.
I do like his recommendation for the magnetic oil drain plug. Drainplugmagnets offer what looks to be a solid piece of engineering . I have some past experience of using Japan built ( made by Spoon company) unit that simply had magnet "unglue" from the bolt!
I do like his recommendation of pulling belly pans off during summer months to keep the motor cooler. I think I may pull the top cover off too.