FORD TRUCK Engine 300-09400B 8-400 6.6L 1229387

( Brand: Ford Truck ), ( Part Type: Engine ), ( Conditions Options: 400, At, Run Good ), ( Genuine Oem: Yes ), ( Ipn: 300-09400b )

Review FORD TRUCK Engine Assembly 6.6l Fits Pickup fits F250 1979

The Ford 300-09400B engine is a powerful and robust powertrain solution designed for heavy-duty applications. This 8.400 liter, 6.6 liter displacement engine was first produced in 1979 for the F-250 series of Ford trucks. Its impressive size and capabilities make it an ideal choice for those who require reliable performance for towing, hauling, or other demanding tasks.

The engine block is made of high-strength iron, providing excellent durability and resistance to wear and tear. The cylinder bore is lined with a durable and efficient aluminum alloy sleeve, reducing friction and enhancing heat dissipation. The engine utilizes a forged steel crankshaft and forged pistons, ensuring maximum strength and durability under heavy loads.

The engine's cylinder heads feature a high-performance design with large intake and exhaust ports, allowing for improved air and fuel flow. Each cylinder head comes equipped with four valves per cylinder, operated by a durable and efficient overhead camshaft system. The use of a high-performance camshaft and hydraulic lifters results in smooth and consistent valve operation.

The fuel system on the Ford 300-09400B engine is designed for efficient combustion and optimal power output. It employs a mechanical fuel pump and a carburetor, which ensures a consistent fuel supply to the engine. The engine also includes a powerful exhaust system, featuring a single exhaust manifold and a catalytic converter, which helps to reduce harmful emissions and improve overall engine performance.

The cooling system on this engine is designed to maintain optimal operating temperatures under heavy loads. It utilizes a heavy-duty radiator, a large cooling fan, and a thermostat to regulate cooling temperatures. The engine also includes a water pump and a pressure cap to ensure proper coolant circulation and pressure.

The Ford 300-09400B engine is a powerful and reliable powertrain solution, perfectly suited for the demands of heavy-duty applications. Its robust design, combined with its high-performance features, ensures consistent and efficient performance, making it an excellent choice for those who require a dependable and capable engine for their F-250 series Ford truck.

Pros and Cons of Buying a Ford 300-09400B Engine for a 1979 F-250

The Ford 300-09400B engine, also known as the 6.6L 8-400, was used in various Ford vehicles from the late 1970s to the early 1990s. If you're considering purchasing this engine for your 1979 F-250, here are some pros and cons that might help you make an informed decision.

1. Durability: The 6.6L engine is known for its durability and reliability, which is essential for heavy-duty work.

2. Power: With a displacement of 6.6 liters, this engine delivers substantial power, making it a suitable choice for towing or hauling.

3. Availability: Due to its widespread use, parts availability for this engine is relatively high, and prices are generally reasonable.

4. Fuel efficiency: Compared to larger engines, the 6.6L engine offers better fuel efficiency, which can save you money in the long run.

1. Complexity: The 6.6L engine is a complex system, with many components that can fail over time, leading to high repair costs.

2. Emissions: These engines do not meet modern emissions standards, which may limit their usability in certain areas or require expensive modifications.

3. Age: Being a late '70s design, the engine may not meet the latest safety and technological standards. Additionally, older engines may have higher maintenance requirements.

4. Size: The engine is relatively large and heavy, which can impact the vehicle's fuel economy and overall performance.

The Ford 300-09400B engine offers a balance of power, durability, and availability that makes it a popular choice for heavy-duty applications. However, its complexity, lack of emissions compliance, and size are important considerations. Ultimately, the decision to buy this engine depends on your specific requirements, budget, and the extent of modifications you're willing to make. If you need a reliable engine for towing or hauling and are comfortable with the maintenance and modifications, the 6.6L engine could be a suitable option. Alternatively, consider newer engines that meet modern emissions standards and offer better fuel efficiency and performance.

Details:

Transmissions: Transmissions will come with the torque converter and all sensors. Full warranty not available for items listed as CORE. For example, when installing a transmission, the torque converter needs to be seated properly on input shaft

Steering Columns: All steering columns sold will come without airbags. No expedited shipping is available. What is covered. Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way.

If a return is accepted, please ship the item to address below. 3531 County Road 3 NW. Avondale, MN 55302. Lack of these convenience items does not warrant a return.

Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. Check the Q A section for Business Support. Items listed as CORE are only guaranteed rebuild able. Covered under warranty: An engine block is found to be cracked and NOT rebuild able would covered the 90-day warranty.

Bumper assemblies DO NOT come with Upper Grilles unless stated. Warranty does NOT cover labor, diagnostics, towing costs, rental car, or any other expenses related to an item being defective/damaged. Said convenience items are not covered under the 90-day warranty.

part #: f250 prices

• $400.00-$850.00

specifications grokengines:

• for models: F250
• for makes: Ford
• for years: 1979
• brand: Ford Truck
• part type: Engine
• conditions options: 400, At, Run Good
• genuine oem: Yes
• ipn: 300-09400b

shipping grokengines:

• class: Standard
• transit: 3-7 Days
• type: Fixed
• cost: $335.00
• service: Standard

general grokengines:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Engines

payments grokengines:

• wallet: Paypal
• other
• credit card: Mastercard

seller grokengines:

• # reviews: 35944
• city: Annandale, Minnesota
• rating: 99.3%

returns grokengines:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

offer grokengines:

• quantity: 1
• started: May 28, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home

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