Swapping a good 2000 4.0 ohv engine into a 2002 sohc have complete donor truck any tips


Joined
Sep 17, 2025
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City
Spencer
State - Country
IN - USA
I’ve read conflicting articles on wether the transmission in the 02 will mount up
 
You could end up with one bellhousing bolt not lined up. I wouldn't worry about it.

As for that swap, I'd leaver everything electrical from the 02. Swap the sensors (At least any that don't have the same connector.) from the old engine to the new. You might end up with codes, but it should run...
 
If your state does emissions inspection with the Gordon Darby system NH uses it won't fly.
 

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