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Engine swap 1982 300D into a 1985 300TD<br> Has anyone had any experience with this?<br> I am finding a lot of misc. wiring and sensors on the 85, that the 82 engine does not have. Specifically 3 items: 1. a sensor next to the flywheel. 2. a sensor on the fuel distribution pump between it and the engine. 3. a different 'modulator?' on top of the fuel distribution pump with a clear 'vacuum?' line attached with a bolt.<br> <br> These are my primary concerns.. What are these items, and are they important?<br> <br> Any help would be greatly appreciated..<br> --Joe
 

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The first one may just be a tachometer (engine speed) sensor. The other two I'm not sure, need to see a picture... can't quite tell what you're describing...<br> <br> -DM :)
 

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The line and valve you're describing go to the transmission. The 85 has a different injection pump and a different transmission than earlier models. I really don't know how big a problem it's going to be for you.
 

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What are they for?<br> Are they necessary for operation?<br> Can I just replace the modulator 'thingie' on the injector pump?<br> <br> Thanks!
 
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