7.3the Big Short Apr 2026

The , introduced in 2020 for Ford’s Super Duty lineup, is often praised as a reliable, lower-maintenance alternative to diesel for heavy-duty work. Designed for durability over high-tech complexity, it uses a cast-iron block and overhead valve (OHV) architecture to simplify repairs and reduce potential failure points common in modern emissions-heavy diesels. Performance & Capability

Some speculate that low oil pressure at idle (as low as 8 psi by design) may contribute to these failures.

For those who want a capable workhorse without the complexity of DEF or DPF systems, the 7.3L is highly regarded, though it requires a tolerance for high fuel costs. 7.3The Big Short

While marketed for its longevity, some early owners have reported significant internal issues:

“International did a great job on their part but Ford really screwed the pooch when it comes to everything attached... It’s pretty darn reliable but it’s always something.” Facebook · Ford-Trucks · 8 months ago 3L gas engine specifically against the ? Why We SWITCHED From Ford 7.3L Gas to DIESEL The , introduced in 2020 for Ford’s Super

Dirty injectors or faulty idle air control valves can occasionally cause rough idling or hesitation. Ownership Experience

The engine is frequently cited as a "beast" for towing and hauling, bridging the gap between standard gas engines and more expensive diesel options. For those who want a capable workhorse without

This is a notable trade-off. Expect roughly 8–10 mpg while towing and 12–14 mpg unloaded, regardless of the load's intensity. Reliability Concerns