Ford Godzilla engine

Ford Godzilla engine
Ford Godzilla engine
Overview
Manufacturer	Ford Motor Company
Production	2020–present
Layout
Configuration	Naturally aspirated 90° V8
Displacement	6.8 L (415.0 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; 10.5:1[3]
Combustion
Fuel system	MPFI[3]
Fuel type	Gasoline[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
Predecessor	Ford 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

Camshaft: Variable valve timing
Piston: Hypereutectic aluminum alloy
Connecting rod: Cracked powdered metal
Crankshaft: Forged
Knock sensors from the Ford Boss engine
Siamesed cylinders with saw cuts between cylinders to increase cooling capacity
Variable oil pump for fuel economy[7]

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

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

A short-stroked 6.8L version has been introduced in the revamped 2023 Ford Super Duty as a replacement for the discontinued 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

2020–present Ford Super Duty (F-250/350/450/550/600)
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
2022–present Blue Bird Vision school bus

References

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.
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.
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.
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.
"7.3L V8 430HP SUPER DUTY CRATE ENGINE". Ford Performance. Retrieved December 12, 2020.
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.
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.
"2024 Ford E-Series Drops 7.3L V8 Economy Engine".

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[hotrod-1] 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.

[mustang360-2] 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.

[fordauthority-3] 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.

[cardriver-4] 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.

[RT-2020-09-7] 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".