Ford’s 7.3L Godzilla is a naturally aspirated, port-injected gasoline V8 used in Super Duty trucks and sold by Ford Performance as a crate engine. The standard M-6007-73B is rated at 430 hp and 485 lb-ft; the upgraded naturally aspirated MEGAZILLA is rated at 612 hp and 670 lb-ft. Those are different engines, and neither crate listing is a complete, generally road-legal swap package.
What is Ford’s 7.3L Godzilla V8?
Godzilla is Ford’s name for its 7.3L gasoline V8: a pushrod, cam-in-block design with overhead valves (OHV), port fuel injection and variable cam timing (VCT). Ford Performance identifies the standard crate engine, part number M-6007-73B, as the 7.3L engine from the 2024 F-250 Super Duty. Ford’s 2026 Super Duty specifications also list a production 7.3L PFI V8.
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For the production engine in Ford’s 2026 Super Duty specifications, the published rating is 430 hp at 5,500 rpm and 485 lb-ft at 4,000 rpm. Those figures match Ford Performance’s rating for the M-6007-73B crate engine. The specifications identify the vehicle model year; they are not a guarantee that every calibration or configuration has identical output. See Ford’s 2026 Super Duty technical specifications.
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Ford Performance lists the M-6007-73B’s construction, dimensions and output as follows:
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- 【Compatible with Ford Godzilla 7.3L V8 2019+ Engine】Designed for compatible engine oil fill applications using Ford 7.3L V8 gasoline engines.
- 【Engine Application】Designed for Ford 7.3L gasoline engines, with additional applications possible for select 6.8L and 5.0L engine configurations based on fill port design.
- 【Engine Oil Fill Funnel】Provides a dedicated funnel accessory to guide oil during routine engine maintenance and oil changes.
- 【Hands-Free Pouring Support】Allows users to manage oil containers more easily while adding engine oil.
- 【Cleaner Oil Change Process】Helps direct oil flow into the fill opening and reduce mess around the engine area.
| Specification | Ford Performance listing |
|---|---|
| Displacement | 7.3L (7,293 cm³) |
| Bore × stroke | 107.2 mm × 101.0 mm |
| Block and heads | Cast-iron block; aluminum heads |
| Valve train | Cam-in-block OHV with variable cam timing |
| Crankshaft | Forged steel |
| Pistons | Cast aluminum |
| Compression ratio | 10.5:1 |
| Fuel system | Port fuel injection |
| Firing order | 1-5-4-8-6-3-7-2 |
| Published output | 430 hp at 5,500 rpm; 485 lb-ft at 4,000 rpm |
| Listed engine weight | 580 lb |
Ford’s listing says the crate assembly includes a composite intake manifold with an 87 mm throttle body, exhaust manifolds, an 8-quart aluminum oil pan and cooler, coils and wires, a production flexplate, shipping and storage cradle, and lift brackets. The listing also identifies a forged steel crankshaft and cast aluminum pistons; “forged” in the crankshaft specification should not be mistaken for forged pistons.
Ford’s online owner’s manual gives the engine’s displacement, 10.5:1 compression and firing order, and specifies a minimum of 87-octane fuel. It also gives a 1.25–1.35 mm spark-plug gap and describes coil-near-plug ignition with a spark-plug wire. These are owner-manual reference details for the applicable Ford vehicle, not a substitute for service information matched to a particular swap. See the Ford owner’s manual.
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- Compatible with 2020-present Gas V8 7.3 and 6.8 Godzilla Engines found in Super Duty Trucks
- Full 1/4" STEEL Construction - Others use thin 3/16" or aluminum - MAY NOT BE STRONG ENOUGH on a span this wide with small hardware
- Made in the USA - Finest quality, design and engineering
- Powder coated tough finish will look good for many engine swaps to come!
- Includes necessary Grade 10.9 Hex Flange Head Cap Screws and washers - extra tough!!!
Godzilla vs. MEGAZILLA vs. MEGAZILLA 2.0
MEGAZILLA is not simply another name for the standard crate engine. Ford Performance sells M-6007-MZ73 as a distinct, upgraded naturally aspirated crate engine with different internals, airflow components and calibration needs. MEGAZILLA 2.0 refers to a separate supercharged development announced by Ford Performance in January 2025.
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|---|---|---|---|
| Godzilla M-6007-73B | Naturally aspirated; cast-aluminum pistons, production-style intake with 87 mm throttle body, VCT | Ford Performance rating: 430 hp at 5,500 rpm and 485 lb-ft at 4,000 rpm | Ford directs buyers to Techline for standard crate-engine control-pack information. Ford marks it competition or off-highway use only. |
| MEGAZILLA M-6007-MZ73 | Naturally aspirated; CNC-ported aluminum heads, Mahle forged pistons, Callies H-beam forged connecting rods, low-profile intake, 92 mm throttle body, performance camshaft with VCT delete | Ford Performance rating: 612 hp at 5,580 rpm and 670 lb-ft at 3,920 rpm; Ford says it makes more than 500 lb-ft from 2,500 to 6,000 rpm | Ford lists control packs M-6017-73M and M-6017-73A and says custom calibration is required. Ford marks it competition or off-highway use only. |
| MEGAZILLA 2.0 | Ford’s January 30, 2025 announcement described a Gen 6 3.0L Whipple-supercharged MEGAZILLA | Ford said output was projected to exceed 1,000 hp; this is a dated projection, not a verified current production rating | Ford characterized the announced engine as competition-use only. The announcement does not establish a current production specification or crate package. |
The standard and MEGAZILLA ratings come from Ford Performance’s listings for their respective crate engines: M-6007-73B and M-6007-MZ73. The 2.0 projection comes from Ford Performance’s January 30, 2025 announcement. Do not compare those three headline numbers as if they were equivalent production ratings: they refer to distinct variants and, in the last case, a projection.
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- High performance 10mm silicone jacket wire offers lower 500 ohms resistance for increased HP
- Added titanium outer sleeve for heat protection
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- 1 year manufacture warranty
What comes with the crate engine—and what a swap still needs
A crate engine assembly is not the same as a complete, ready-to-run vehicle package. Ford’s M-6007-73B listing names possible related parts, including starter M-11000-SD73, FEAD kit M-8600-SD73, and A/C add-on M-8600-SD73AC. It directs buyers to Techline for standard crate-engine control-pack information. Those names do not establish that the listed components suit a particular chassis, transmission or installation.
Before buying, confirm the whole installation against the intended vehicle and jurisdiction. The shared bellhousing bolt pattern Ford describes for the Godzilla and Ford 4.6/5.4 and 5.0 Coyote engines is only one interface; it does not prove that a given transmission, mounts, accessories, oil pan, exhaust, wiring or calibration will work.
Rank #4
- Compatible with 2020-present Gas V8 7.3 and 6.8 Godzilla Engines found in Super Duty Trucks
- Full 1/4" STEEL Construction - Others use thin 3/16" or aluminum - MAY NOT BE STRONG ENOUGH on a span this wide with small hardware
- Made in the USA - Finest quality, design and engineering
- Powder coated tough finish will look good for many engine swaps to come!
- Includes necessary Grade 10.9 Hex Flange Head Cap Screws and washers - extra tough!!!
- Transmission and driveline: Confirm the specific transmission, bellhousing interface, flexplate or other required hardware, starter fitment, and driveline arrangement. Ford’s 2026 Super Duty specification table associates the production 7.3L with Super Duty TorqShift-G 10-speed and heavy-duty TorqShift 10-speed applications; those transmissions are not stated to be included with the crate engine.
- Physical fit: Check engine mounts, hood and firewall clearance, oil-pan clearance over the crossmember, exhaust routing, cooling, and accessory drive for the target chassis.
- Fuel, controls and calibration: Determine which control pack, harness, sensors, throttle, fuel delivery and calibration the exact engine and vehicle require. For MEGAZILLA, Ford explicitly requires custom calibration and lists two control-pack part numbers; do not assume standard Godzilla control information applies to it.
- Accessories and installation parts: Confirm whether the starter, FEAD, A/C components and any application-specific brackets or wiring are needed, and verify fitment rather than relying on a part name alone.
- Emissions and registration: Check the applicable rules before purchase. Ford’s crate-engine listings warn against public-road use and say installation in vehicles driven on public roads and highways is likely to violate U.S. and Canadian emissions laws.
Ford’s listing gives the warning verbatim: “This part is designed and intended for competition use only or off-highway use only.” The legality of a particular engine installation depends on the vehicle, intended use and jurisdiction; neither a crate engine nor a control pack should be assumed road-legal in general.
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Aftermarket control packs are not interchangeable assurances
Control-pack features and restrictions belong to the specific supplier and product. OBR Control Systems’ November 2023 installation guide for its Godzilla crate-engine pack says the kit uses the original coils, controls cam timing and oil pressure, and reads the digital drive-by-wire throttle body. OBR also limits its products to uncontrolled/non-emissions-controlled vehicles and off-road racing vehicles, and warns against installing them in emissions-controlled vehicles. That guidance applies to OBR’s kit, not automatically to Ford packs or other aftermarket systems. See OBR’s Godzilla installation guide.
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- High performance silicone jacketed wire offers FAR lower resistance for increased HP
- Glass impregnated outer layer for max heat rejection
- Xeramik Series - REAL Ceramic Plug side boot
- Many different colors available
- Made in the USA!
Is the 7.3 Godzilla the right swap engine?
The Godzilla is a clear choice to investigate if the target build can accommodate a large-displacement pushrod V8 and the builder can resolve packaging, transmission, controls and legal requirements. The standard M-6007-73B has a published 430-hp/485-lb-ft rating; the MEGAZILLA’s higher published rating comes with distinct hardware and an explicit custom-calibration requirement. Ford’s published ratings establish output figures, not comparative reliability, failure rates or long-term durability. Choose only after confirming application fitment and lawful intended use, rather than treating a shared bolt pattern or a peak horsepower number as proof of swap compatibility.
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