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Ford Godzilla engine

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This article is about the gasoline V8. For the older 6.9L and 7.3 L Diesel V8s sold by Navistar International earlier, see International Harvester IDI and Navistar T444E engine.

Ford Godzilla engine
Overview
ManufacturerFord Motor Company
Production2020–present
Layout
ConfigurationNaturally aspirated 90° V8
Displacement6.8 L (415.0 cu in)
7.3 L (444.9 cu in)[1][2]
Cylinder bore4.22 in (107.2 mm)[1][3]
Piston stroke3.68 in (93.5 mm)
3.976 in (101.0 mm)[1][3]
Cylinder block materialCast iron[3]
Cylinder head materialAluminum[3]
ValvetrainOHV (2 valves × cyl.)[1][3][4][2]
Compression ratio10.8:1
10.5:1[3]
Combustion
Fuel systemMPFI[3]
Fuel typeGasoline[1][3][4][2]
Output
Power output
  • 300 hp (224 kW) at 3,750 rpm (7.3 Economy, E-350/450)
  • 325 hp (242 kW) at 3,750 rpm (7.3 Premium, E-350/450)
  • 335 hp (250 kW) at 3,750 rpm (7.3, F-53/F-59, F-650/750 2023–present)
  • 350 hp (261 kW) at 3,900 rpm (7.3, F-53/F-59 & Chassis Cab 2020–21, F-650/750 2020–22)
  • 405 hp (302 kW) at 5,000 rpm (6.8, Super Duty)
  • 430 hp (321 kW) at 5,500 rpm[1][2][3][4] (7.3, Super Duty 2020–22)
  • 430 hp (321 kW) at 5,500 rpm (7.3, Super Duty 2023–present)
Torque output
  • 425 lb⋅ft (576 N⋅m) at 3,250 rpm
    (7.3 Economy, E-350/450)
  • 445 lb⋅ft (603 N⋅m) at 4,000 rpm (6.8, Super Duty)
  • 450 lb⋅ft (610 N⋅m) at 3,750 rpm
    (7.3 Premium, E-350/450)
  • 468 lb⋅ft (635 N⋅m) at 3,750 rpm (7.3, F-53/F-59,
    F-650/750 2023–present)
  • 468 lb⋅ft (635 N⋅m) at 3,900 rpm (7.3, F-53/F-59 & Chassis Cab 2020–21,
    F-650/750 2020–22)
  • 475 lb⋅ft (644 N⋅m) at 4,050 rpm[1][2][3][4] (7.3, Super Duty 2020–22)
  • 485 lb⋅ft (658 N⋅m) at 4,000 rpm (7.3, Super Duty 2023–present)
Chronology
PredecessorFord 385 engine
Modular V10[1][3]
Ford Boss engine

The Ford Godzilla engine is a family of V8 engines offered by the Ford Motor Company. The engines are intended to replace the Modular V10 engine and the Boss V8 engine in many uses.[1][3] The engine, first introduced with a displacement of 7.3L was first used with Ford Super Duty trucks starting with the 2020 model year and was later added to the Ford E-Series for the 2021 model year.[3][4] It is also available as a crate engine.[5] A smaller displacement 6.8L was introduced in 2023. Exterior dimensions are smaller than the 385-series 460 engine, and slightly larger than those of the 351 Windsor engine.[6]

Attributes

[edit]

Because the engine uses overhead valves actuated by pushrods, it is smaller than many of the overhead camshaft Ford Modular engines, and can be fitted to older cars.[7]

Variable tuning

[edit]

Ford offers several different ratings of the engines that can prioritize either performance or economy. Performance-oriented tunings are intended as a replacement for the Modular V10 engine, while economy-oriented tunings replace the Boss V8 engine.

The highest current state of tune, offered on the Ford Super Duty (F-250/350/450) pickup trucks, offers 430 horsepower (321 kW) at 5,500 RPM and 475 pound-feet (644 N⋅m) of torque at 4,000 RPM.[3]

For the largest Super Duty trucks (F-550/600) and the medium-duty Ford F-650/750 trucks, the engine is de-tuned to 335 hp (250 kW) at 3,750 RPM, but with more torque, 468 lb⋅ft (635 N⋅m) at 3,750 RPM.[4]

The E-Series offers two versions that were de-tuned even further. The "premium-rated" version generates 325 hp (242 kW) and 450 lb⋅ft (610 N⋅m) of torque at 3,750 RPM, while the "economy-rated" variant produces 300 hp (224 kW) and 425 lb⋅ft (576 N⋅m) of torque at 3,250 RPM. The "economy-rated" variant was discontinued for 2024.[8]

6.8L variant

[edit]

A short-stroked 6.8L version has been introduced in the revamped 2023 Ford Super Duty as a replacement for the predecessor's 6.2L SOHC Boss V8. It is available only in the F-250 and F-350 pickups with the XL trim.

For 2024, the 6.8L gained flex-fuel capability.

Common applications

[edit]
  • 2020–present Ford Super Duty (F-250/350/450/550/600) (2023-present for 6.8 L)
  • 2020–present Ford F-650/750
  • 2021–present Ford E-Series (E-350/450)
  • 2020–present Ford F-53 Motorhome Stripped Chassis
  • 2020–present Ford F-59 Commercial Stripped Chassis
  • 2021–present Blue Bird Vision school bus

References

[edit]
  1. ^ a b c d e f g h i Smith, Evan (March 13, 2019). "An Inside Look at Ford's All-New 7.3L Pushrod V8". Hot Rod. Motor Trend Group. Retrieved June 28, 2020.
  2. ^ a b c d e Turner, Steve (August 1, 2019). "Ford's 7.3-Liter 'Godzilla' Gas Engine Delivers 430 Horsepower & Packs Monster Potential". Mustang 360. Retrieved June 28, 2020.
  3. ^ a b c d e f g h i j k l m n Luft, Alex (May 8, 2020). "Why 7.3L Ford Godzilla V8 Engine Offers Two Tunes In 2021 E-Series: Exclusive". Ford Authority. Retrieved June 28, 2020.
  4. ^ a b c d e f Wendler, Andrew (August 1, 2019). "New Ford 7.3-Liter "Godzilla" V-8 Coming for Super Duty Lineup". Car and Driver. Hearst Communications. Retrieved June 28, 2020.
  5. ^ "7.3L V8 430HP SUPER DUTY CRATE ENGINE". Ford Performance. Retrieved December 12, 2020.
  6. ^ Smith, Evan (March 30, 2021). "Go In-Depth into the 7.3L "Godzilla", the Latest V8 From Ford Motor Company". Holley Performance Products. Retrieved November 13, 2022.
  7. ^ a b Sorokanich, Bob; Silvestro, Brian (September 15, 2020). "Ford's 7.3-Liter V-8 Can Make 600 Naturally-Aspirated Horsepower With Basic Mods". Road & Track. Retrieved February 5, 2021.
  8. ^ "2024 Ford E-Series Drops 7.3L V8 Economy Engine".
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