W123, Factory Books and Manuals

transmission compatibility? 1979 300sd to 1980 300d

hi, i have the excellent guide on how to replace transmission, and am about to try this with my dad. he has the transmission out of the parts car, a 1979 300sd, and the torque converter wouldn't come with it (broken timing chain so no turning over). before we take out the badly slipping transmission from my 1980 300d, we're trying to determine compatibility issues. any known problems?? any help much appreciated, thank you! -noah

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WVO Coversion Miracle

I've been running WVO for over a year now on a competitors system. Finally i got fed up with both the poor engine performance and my secondary WVO tank with heat exchanger built in. (I was starting to get scum build up in the tank from the constant heating and cooling inside. I also have problems with leaks and the fact that it made the temperature of my trunk rise to over 90% after a few hours was getting to me). I pulled out the system and replaced it with a system from mercedessource.com and I get a miracle. The electric boost pump and sump heater supplied by mercedescource are amazing.

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Cams to be used in 1979 300D

I currently own a 1979 300D which has a "worn and scorn" cam. The rocker arms near the front are worn also. This engine has the "00" cam installed. I was given a newer cam and rockers by a friends dad. It is the "05" cam which is the newer "hardened" cam with higher lift. Can this cam and rockers be used in my 300D with engine: 617.912 1207. Too the newer cam has the MB Emblem stamped in it along with the 617 05 between the number 3 and 4 cam lobes. Help someone......Kent?

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