Ford Godzilla engine
Reciprocating internal combustion engine
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Godzilla is a family of V8 engines offered by the Ford Motor Company. The engines are intended to replace the 6.8L Triton V10 and the 6.2L Boss V8 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] A smaller-displacement 6.8L variant 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] It is available as a crate engine,[7] along with a performance-oriented version called the Megazilla.[5]
7.3 L (444.9 cu in)[1][2]
| Ford Godzilla engine | |
|---|---|
| Overview | |
| Manufacturer | Ford Motor Company |
| Production | 2020–present |
| Layout | |
| Configuration | Naturally aspirated 90° V8 |
| Displacement | 6.7 L (411.8 cu in) 7.3 L (444.9 cu in)[1][2] |
| Cylinder bore | 4.22 in (107.2 mm)[1][3] |
| Piston stroke | 3.68 in (93.5 mm) 3.976 in (101.0 mm)[1][3] |
| Cylinder block material | Cast iron[3] |
| Cylinder head material | Aluminum[3] |
| Valvetrain | OHV (2 valves × cyl.)[1][3][4][2] |
| Compression ratio | 10.8:1 (6.8) 10.5:1 (7.3)[3] |
| Combustion | |
| Fuel system | Sequential multiport fuel injection[3] |
| Fuel type | Gasoline[1][3][4][2] |
| Output | |
| Power output |
|
| Torque output |
|
| Chronology | |
| Predecessor | Ford 385 engine Modular V10[1][3] Ford Boss engine |
The displacement of 7.3L is believed to be a callback to the 7.3L Power Stroke, while the 6.8L variant is a callback to the displacement of the Triton V10.
Attributes
- Bore spacing: 4.530 in (115 mm)[8]
- Deck height: 9.650 in (245 mm)[8]
- Valvetrain: 16-valve pushrod-actuated OHV with VCT (VCT deleted on Megazilla[5])
- Fuel system: Sequential port/multi-point injection
- Induction: Naturally aspirated
- Pistons: Hypereutectic aluminum alloy
- Connecting rods: Cracked powdered metal
- Crankshaft: Forged steel
- Knock sensors from the Ford Boss engine
- Siamesed cylinders with saw cuts between cylinders to increase cooling capacity
- Variable-displacement oil pump for optimum oil pressure[9]
The use of OHV cylinder heads makes the Godzilla smaller than many overhead camshaft Modular engines.[9] In addition, unlike many of Ford's turbocharged EcoBoost engines, the Godzilla does not use a wet belt to drive the oil pump.
7.3L variants
Ford offers several different ratings of the Godzilla that 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 hp (321 kW) at 5,500 RPM and 475 lb⋅ft (644 N⋅m) of torque at 4,000 RPM.[3] For the 2023 model year, torque was increased to 485 lb⋅ft (658 N⋅m).[7]
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 and 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.[10]
Megazilla
The Megazilla is an off-highway crate engine offshoot of the Godzilla that generates up to 612 hp (456 kW) at 5,580 RPM and 670 lb⋅ft (908 N⋅m) of torque at 3,920 RPM on premium fuel, with at least 500 lb⋅ft (678 N⋅m) available from 2,500 to 6,000 RPM. It achieves these figures while retaining the 7.3L displacement, cast iron block, forged crankshaft, port injection system, and 10.5:1 compression of the original Godzilla by using CNC-ported aluminum cylinder heads, a 92 mm throttle body, Mahle forged pistons, Callies H-beam forged connecting rods, and a high-performance camshaft without VCT.[5]
6.8L variant
A short-stroked 6.8L version has been introduced in the revamped 2023 Ford Super Duty as a replacement for the 6.2L Boss.
For 2024, the 6.8L gained flex-fuel capability.
In 2026, it was reported that the 6.8L would be discontinued for 2027 alongside the standard-output 6.7L Power Stroke, leaving the 7.3L as the only gas option in the Super Duty. [11]
Common applications
- 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
- Crate engine (7.3L and Megazilla)[7][5]