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7.3L Godzilla Fox Body Swap | EP: 1 The Mock Up

Created by Jay Walling
Date Created: 12/22/2021
Last Updated: 10/16/2025

Today in the shop we will be performing an initial mock-up of the Ford Performance 7.3L Godzilla crate engine in our 1992 Calypso Fox Body project car.

Viewing this install and using the information shared is subject to the terms set forth here - View the LMR Install Instructions Disclaimer.

Ford stopped the V8 pushrod engine production in the late '90s and opted for the more modern modular V8 platform. Fast-forward to 2020 and the Ford engineers decided to bring back the successor to the 6.2L V8 found in the Super Duty trucks. This new 7.3L was code-named “Godzilla”, and since its release, the aftermarket world has been going crazy over it!

Test Fitting a 7.3L Godzilla Crate Engine in a Fox Body!  - Test Fitting a 7.3L Godzilla Crate Engine in a Fox Body!

What started its life as a simple Calypso 1992 Hatchback, this Fox Body found its way to LMR and quickly became one of our mock-up cars. As one of the leading providers and manufacturers of 1979-93 Mustang parts, we have various Fox Bodies around the shop that are used to research, develop, and test new parts. This 92 Hatch was one of these cars...but not for long.



When the 7.3L Godzilla engine was announced, it had the car community in a frenzy. Pushrods were back, and what better way to pay homage to the old school 5.0 than with another pushrod engine. Yes, we could have gone with an LS Swap, but why do that when we could build one of the first Godzilla Swap Fox Bodies?

Ford Performance 7.3L "Godzilla" Crate Engine | Complete Overview - Ford Performance 7.3L "Godzilla" Crate Engine | Complete Overview

When researching this project, we reached out to our friends over at Team Z, who hooked us up with a 1979-1993 Mustang Godzilla Swap K-Member. This was going to be one of the key components in test-fitting the crate engine into the Fox Body engine bay. Once we got the k-member bolted up to the engine, it was time to track down a transmission for test fitting.



With as much test fitting and tinkering that we do both in the shop and on our personal cars, we have acquired quite a collection of parts. We were able to track down Landon's old 4R70W from his 1999 Mustang GT and use this since it shares the same bolt pattern. 
 
With the engine, transmission, and k-member all bolted up to each other, it was time to remove the factory front suspension and brake booster to make way for the new powerplant. 
 

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The 7.3L Godzilla Gets Installed In A Fox Body! | ShopTalk

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Published on 2021-09-10
It's time to do something with our 7.3L Godzilla crate engine! And today, Landan and Scott Hubbard do just that! Follow along as they mock up the 7.3L Godzilla in a Fox Body Calypso LX Hatchback!

Learn more about the 7.3 Godzilla! | https://youtu.be/OUXFzpbVyjY

Looking to install a K-Member in your Fox Body? Check out all of our available options! | https://latemodelres.to/KMember_Godzilla_PT1

Learn about the 1993 Cobra Style Brake Booster! | https://youtu.be/zky4Ep3S3Lw

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#LMR #ShopTalk #Godzilla

Use of this video is subject to the terms as set forth in our LMR Install Video Disclaimer | https://lmr.com/page/lmr-install-video-disclaimer
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About the Author

Jay has written content for Late Model Restoration for over 10 years, producing over 120 articles. Jay has an extensive 25-plus-year background in automotive and is a certified Ford Technician. Read more...