Engine Swap petrol to Deisel questions
I will start with the basics I guess:

Wagon 1 - my wagon
1990 NG superwagon
3.0L v6 auto

Wagon 2 - donor
1986 Turbo wagon
2,5L diesel 5 speed

I am planning on swapping the diesel into my ng due to the fact that my motor is on its way out.

Since I have a complete wagon to pull parts from as needed, is there anything special I will have issues with?
Any differences between wiring? or is a drop in and go type swap? There is a lacking of information on the wiring harness between the 2... or from what I can find.
I am not a stranger to engine swaps, I just like to get as much info as possible before I start.
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