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What will interchange with a 1990 Ford 7.3 Diesel engine?

* 1988-1994 Ford 7.3L IDI Diesel Engine: This is the most direct interchange, as these engines share the same basic design and many of the same components as the 1990 7.3L IDI.

* 1994-1997 Ford 7.3L Powerstroke Diesel Engine: This engine is a significant upgrade over the 7.3L IDI, featuring a turbocharger, intercooler, and electronic fuel injection. It will require some modifications to the engine mounts and fuel system to install in a 1990 Ford, but it is possible.

* 1999-2003 Ford 7.3L Powerstroke Diesel Engine: This engine is even more powerful than the 1994-1997 7.3L Powerstroke, and it features a number of improvements, such as a higher-pressure fuel injection system and a variable-geometry turbocharger. It will require extensive modifications to install in a 1990 Ford, but it is possible.