HELLO Everybody
I have a litle problem , i discover a site which sell a kit for prelubing the engines before the actually start up each time you rotate the key and thath because you have presurised oil from the last time you engine stop
The site is " autoenginelube.com" and my question for you up there is if this kit will work on 300d 1985 and where i will have to hook up the hose
On the gas engine you have to hook that on the sending unit whith a conection includet in the kit
Please look at the site and giveme your input
thanks

Do a search on this site. There was a thread on this topic a few months ago. Someone was in the process of making their own.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

A preoiler system would be easy for car manufactures to install at the factories. With fuel injection, when you turn the key on, the fuel pump immediately pressurizes the fuel sys. So the exact same thing could be done for oil. Not that I am an engineer, but I figure you could place an external pump on the engine with a line going into the oilpan and one going to the valve train. When you turn the key, it draws oil from the pan, sends it to the valve train and as soon as the engine is running for a few seconds, the electric oil pump turns off. I say valve train because that's where most of the where is with cold starts.
You have to remember that there is a vested interest from both the auto and oil industry to not have something like this on all cars. As for the oil industry, the big push for synthetics is it's ability to get to the top of your engine when cold, which a pre-oiler would take care of. For the auto industry, this type of device would probably make engines last even longer, therefore you may not buy another car for a long time.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member