Experts typically consider the as the peak for this engine, as they benefited from factory intercooling and electrical lift pumps. Late-model engines (2001–2003) occasionally used PMRs (Powdered Metal Rods) , which are considered slightly less desirable for high-horsepower performance modifications than the earlier forged steel rods. 1994-1997 Ford 7.3L Powerstroke Buyer's Guide - XDP

While reliable, specific components are known to fail over time:

: Essential for the HEUI system; leaks or internal wear will directly impact engine performance.