Exploring the 7.3L Godzilla V8 Swap in an S550 Mustang

For enthusiasts considering engine swaps, the 7.3L Godzilla is a compelling option. It’s affordable, readily available from vehicles like delivery vans and trucks, and capable of significant power with minimal upgrades.

It’s also an ideal engine for an S550 Mustang EcoBoost featured in this video from ThatDudeinBlue on YouTube. It has been equipped with a 7.3L “Godzilla” V8 engine that came from an Amazon Prime van. Yes, some Prime vans are powered by Ford’s 7.3L “Godzilla” V8, a robust pushrod engine originally designed for heavy-duty work trucks.

Ford’s 7.3L Godzilla V8 is a stark contrast to the Mustang GT’s 5.0L Coyote engine. While the Coyote is a high-revving, dual-overhead-cam V8 with an aluminum block, the Godzilla is a pushrod V8 with a focus on torque and simplicity. It’s akin to Ford’s answer to GM’s LS engines.

The Godzilla’s naturally aspirated setup produces 580 horsepower with just a cam upgrade. Torque exceeds 500 lb-ft, delivered almost instantly, making it a lower-revving but more muscular alternative to the Coyote. While the Coyote excels at high RPMs, the Godzilla offers immediate low-end grunt that transforms the driving experience.