This Mustang Packs a 7.3L Manual Godzilla Crate V8 Under this Bulge

This Mustang Packs a 7.3L Manual Godzilla Crate V8 Under this Bulge

We’ve seen a lot of Ford Mustang models this year with the launch of the all-new 2024 Mustang fast approaching. But one development vehicle, the GT350 with a massive bulge in the hood, has really confused the internet, until now.

Ford invited YouTuber Revan Evan to learn more about the Mustang mystery, which turns out to have nothing to do with development work happening for the 2024, but is actually a test version of Ford’s ohv 7.3-liter Manual Transmission “Godzilla” Crate V8.

You can actually get a 7.3 from the factory in a Ford Super Duty truck, and Ford also sells a V8 as a $9,175 box engine for hobbyists who want to knock some serious cubes into the engine compartment of an old car. But until now it was only available for use with an automatic transmission, and Ford dropped it in the GT350 while developing a new manual transmission application.

The powertrain comes with its own ECU which means you can literally slip into any vehicle from Ford’s back catalog, no matter its age. The only reason it ended up in a GT350 was because Ford had one lying around gathering dust, as it does when it’s a huge multinational.

But was the 7.3 so huge that it needed a bouffant cap the size of a ski slope? The video shows that the engine itself is a perfect fit, both in terms of head clearance in the shock towers and hood clearance. The problem is the swan neck intake manifold. It’s a perfect fit for a big Super Duty truck that has plenty of room between the engine and hood, but it doesn’t do well in a Mustang.

We’ve got a revised full-session mockup, which has a direct intake for clearance under low-profile hoods, and shorter racers that should make the V8 a bit more powerful than it feels in the Super Duty. But this engine is definitely not about rotation, it’s about torque. Peak power is 430 hp (436 hp), which is less than what you get from a 5.0-liter Coyote V8 with DOHC (460 hp/466 hp). But if the Coyote cage engine mustered just 420 lb-ft (569 Nm) at 4,600 rpm, the 7.3 thundered from 475 lb-ft (644 Nm) at 4,000 rpm.

2 thoughts on “This Mustang Packs a 7.3L Manual Godzilla Crate V8 Under this Bulge

  1. You miss lead people you lead them to believe they’re getting a nice good good well made car and you get in it have it for a while and it’s cheap and y’all know what we’re talking about and you still keep doing it

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