The 1966-77 Bronco Godzilla Engine upgrade has quickly become a top choice among classic Ford Bronco enthusiasts who crave modern power with vintage style. The original Bronco, produced between 1966 and 1977, is a beloved American icon known for its rugged off-road capabilities and timeless design. However, while its classic charm remains unmatched, the original engine can feel outdated by today’s performance standards. Enter the Godzilla engine a 7.3L V8 powerhouse developed by Ford for heavy-duty trucks, now making its way into restomod builds. Installing a Godzilla engine into a 1966-77 Bronco gives the classic SUV a serious boost in horsepower, torque, and overall drivability.