GT500 Fans Rejoice: Shelby GT350 Proto’s Megazilla V8

Ford’s 7.3L Megazilla: More Powerful Than Godzilla?

Ford Performance recently bestowed an amazing bonus for the lovers of performance trucks: introducing the FP700 supercharger kit. This enables any 2021-2023 Ford F-150 with a 5-liter Coyote V8 engine to reach up to 700 horsepower.

For die-hard fans of muscle rides, the distressing report is that the strongest Ford Mustang available on the market – the Shelby GT500 – isn’t reappearing anytime soon, it would seem.

Despite the current somber environment, there is optimism in the proposed 7.3-liter Godzilla motor from Ford. This powerplant has earned the nickname ‘Megazilla’ due to its immense potential, and is now available as a crate engine.

A new StangMode video speculating on the possibilities of an upgraded Godzilla engine has Mustang lovers everywhere hopeful for an impending good outcome. If these prophecies are true, Ford’s much-loved Pony Car could be in for a treat. Already home to an incredible 5.0L V8, power gains of up to 100 horses from the engine may make the 2021 Mustang even more coveted.


StangMode’s host is exploring the Ford Performance exposition at a show filled with thrilling trucks, powerful cars, and technology, and Megazilla definitely attracts the most attention.

This brand new power unit, soon accessible for purchase, is underpinned by the Ford 7.3-liter Godzilla V8, which first appeared in Ford Super Duty vehicles several years ago.

Ever since, a Ford Shelby Mustang GT350 prototype bearing the Godzilla motor was spotted with its bulky bonnet. Here it resurfaces as the Megazilla, an augmented version of the updated ‘Zilla. This incarnation features a huge rise in power from around 435 hp/ 475 lb-ft to 615 hp/ 640 lb-ft, derived from enabling factors such as forged pistons and connecting rods, a GT500 throttle body, an alternate air conduit, plus other components.

Could it be that the advancement of Godzilla and its appearance in the white Ford Mustang suggest something exciting is on its way?

Aside from the impressive S550 Ford Mustang Mach 1 and the exciting imminent S650 Ford Mustang Dark Horse, there exist no other exceptional versions of the esteemed ‘Stang in either this or the approaching generation.

Despite the absence of a confirmed successor, StangMode argues there is speculation that the powerful 7.3-liter Megazilla engine could find its home in the next iteration of the Ford Mustang Shelby GT500. Potential leading evidence of this theory being put into action is the mule used for testing for the upcoming GT350. Further conjecture exists as to whether such a model would be a Mach 1 or something else entirely.

Glancing at the figures, Ford Shelby Mustang GT500 packs 760HP and 625 lb-ft from its 5.2-liter forced induction Predator V8 engine. Megazilla produces noticeably less power in the absence of a supercharger. In spite of this, donning a supercharger could possibly help push better numbers for this sports vehicle, though taking fuel efficiency into consideration, it is not plausible that Blue Oval enlarges its muscle car’s engine size by 2.1-liters.


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