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Most of you may know that the 4R70W transmission, an upgraded version of the AOD transmission dating back to the 1980s, has established itself as a stalwart in the automotive industry. Renowned for its heavy-duty performance, low gear ratios, and budget-friendly price point, this automatic transmission has garnered the attention of enthusiasts and professionals alike.

In this comprehensive guide, we will focus on the Ford 4R70W Performance Transmission Level 3 specifications, examining its key features and why it might be the ideal choice for your vehicle.

Which Vehicles Use Ford 4R70W Transmissions?

The 4R70W transmission shares similarities with the Ford AODE but boasts several vital enhancements. Notably, it features lower first and second gears and employs a mechanical diode instead of a roller clutch. These improvements enhance durability and lower-speed acceleration, making it a powerhouse in high-performance transmissions.

Ford 4R70W transmissions find their homes in various popular vehicles, including F-150s, Lincoln Town Cars, and Mercury Cougars. Developed by the Ford Motor Company, the terminology “4R70W” breaks down as follows: “4” indicates the four-speed configuration, “R” signifies “Rear” wheel drive, “70” alludes to torque capacity, and “W” represents wide gear ratios. This transmission can also be employed in four-wheel-drive applications when coupled with a compatible transfer case.

How the 4R70W Transmission Addresses Rugged Usage?

Introduced in 1993, the 4R70W transmission has been a mainstay in numerous vehicle models due to its exceptional performance and durability. The Ford F-150 stands out as an exemplary candidate for this transmission. F-150s have consistently ranked among America’s best-selling vehicles thanks to their versatility and aesthetic appeal. Available in both two-wheel and four-wheel drive configurations, with options for short or long beds, the F-150 caters to a broad spectrum of drivers.

Many F-150 owners rely on these trucks for demanding work-related tasks, subjecting them to relentless use and heavy workloads. In such scenarios, the robust 4R70W transmission shines, providing the necessary reliability and longevity to meet the challenges of the job.

Suppose you own a Ford vehicle and consider upgrading to the 4R70W transmission. In that case, Gearstar is the custom builder ideally suited for the task. When you choose Gearstar, your transmission will be meticulously crafted by a qualified technician, ensuring the highest precision and quality.

Now that you are familiar with the transmission, it will help if you focus on the specifications of Ford 4R70W Performance Transmissions – Level III. Here are some of the aspects you should know: 

The Ford 4R70W Performance Transmission Level III is a powerhouse of engineering and precision, meticulously designed to meet the demands of high-performance applications. With a focus on delivering robust power and reliability, this transmission offers a comprehensive set of features and components, making it a standout choice for automotive enthusiasts and professionals.

Key Specifications

Horsepower Rating: At the heart of the Ford 4R70W Performance Transmission Level III is its impressive 500 horsepower rating. This power capacity makes it well-suited for vehicles requiring substantial engine output.

  • Torque Capacity

With a torque capacity of up to 450 ft-lbs, this transmission is built to handle the intense stresses generated by high-performance engines. It ensures that power is efficiently transmitted to the wheels without compromising reliability.

  • Converter

The transmission is equipped with a 10” – 13” inch custom-built billet converter with lock-up. This component is vital in optimizing power delivery and efficiency, allowing for precise control over torque transfer.

  • Stall Speed

The stall speed of the Level III transmission falls within a wide range of 1800 to 3200 RPM. This carefully tuned stall speed balances acceleration and control, making it suitable for various driving conditions.

Internal Components

The Level III transmission doesn’t just rely on its specifications; it also features a host of internal components engineered for performance and durability:

  • Master Overhaul Kit with Alto Hardened Steels

This kit includes Alto Hardened Steels, ensuring the transmission’s critical components can withstand high-stress conditions. It contributes to the transmission’s longevity and strength, making it well-suited for demanding applications.

  • Raybestos Stage I Frictions

The optimized friction materials used in the Level III transmission’s Raybestos Stage I Frictions enhance performance and durability. They provide consistent and reliable friction, ensuring smooth shifts and reduced wear.

  • Transgo Reprogramming Shift Kit with Shift Command

Shift control and responsiveness are key aspects of high-performance transmissions. The Transgo Reprogramming Shift Kit with Shift Command enhances these characteristics, allowing precise control over gear changes.

  • Filter

The inclusion of a filter in the Level III transmission helps maintain cleanliness and prolong the transmission’s lifespan. Capturing contaminants prevents debris from causing damage to internal components.

  • New Electronics

The Level III transmission incorporates updated electronic components, including electronic pressure control (EPC), shift sensors, lock-up sensors, and internal wiring harnesses. These modern electronics contribute to smoother and more precise control over transmission functions.

  • Complete Torrington Bearing Kit

The addition of a complete Torrington Bearing Kit enhances bearing support within the transmission. This, in turn, promotes smoother operation, reduces friction, and contributes to the overall durability of the transmission.

  • New Bushing Kit

Precise alignment of components is crucial in any transmission. The new bushing kit ensures that components are correctly positioned, reducing friction and wear over time.

  • New Reverse Band

Enhanced reverse gear engagement ensures that the Level III transmission operates seamlessly in both forward and reverse directions.

  • Raybestos Stage-1 Wide O.D. Band

The band material used in the Level III transmission is of superior quality. The Raybestos Stage-1 Wide O.D. band offers improved performance under stress, enhancing the transmission’s reliability.

  • High-Capacity 4-Plate Intermediate Clutch

To handle the demands of high-performance engines, the Level III transmission incorporates a stage-1, high-capacity four-plate intermediate clutch. This component boosts torque capacity, ensuring that power is efficiently transmitted.

  • Direct Clutch Pack (7 Frictions)

The direct clutch pack has been improved to feature seven stage-1 frictions, enhancing its durability and performance under high-stress conditions.

  • Rev. Drum w/Heavy-Duty Mechanical Diode

Reliable reverse operation is assured with the inclusion of a heavy-duty mechanical diode in the reverse drum. This component ensures that the transmission can handle reverse gear engagements without issue.

  • Updated Sun Shell and Gear

The sun shell and gear have been updated to provide added strength and durability, making the Level III transmission well-equipped for high-performance applications.

  • New Low Spring and Roller

The Level III transmission features a new low spring and roller to enhance low gear engagement. This ensures smooth and responsive acceleration from a standstill.

  • High-Capacity Pump Assembly

A high-capacity pump assembly ensures sufficient fluid flow for cooling and lubrication, which is critical for maintaining optimal operating temperatures and prolonging the transmission’s lifespan.

  • Expanded Capacity Overdrive Servo

The overdrive servo has been optimized to improve overdrive operation, enhancing performance and efficiency.

  • Updated O.D. Servo Pin

An updated overdrive servo pin improves overdrive control, ensuring precise shifting and a smoother driving experience.

  • Updated 3rd Accumulator Piston

The Level III transmission includes an updated 3rd accumulator piston, which enhances shifting performance, particularly during gear changes.

  • Transmission Mount

A secure and stable installation is facilitated by including a transmission mount. This ensures that the transmission remains properly positioned, preventing any unwanted movement.

  • Custom 360-degree Adjustable Shift Linkage Arm

One of the unique features of the Level III transmission is the custom 360-degree adjustable shift linkage arm. This component allows for precise adjustment of shift points, catering to specific vehicle requirements and performance preferences.

The Ford 4R70W Performance Transmission Level III represents a pinnacle of automotive transmission engineering. With its impressive specifications, a wide array of carefully selected internal components, and a focus on durability and performance, this transmission is a standout choice for high-performance vehicles.

Whether you’re seeking to upgrade your vehicle for enhanced power and reliability or require a transmission capable of handling the rigors of high-performance driving, the Level III transmission offers a comprehensive solution that meets the demands of the most discerning automotive enthusiasts and professionals.

Concluding Comments

The Ford 4R70W Performance Transmission Level 3 is a formidable choice for those seeking high-performance transmission solutions. With a focus on durability, enhanced torque capacity, and a comprehensive set of components and improvements, it exemplifies the commitment to quality and performance that Gearstar offers.

Footnotes

Whether you want to enhance your vehicle’s performance or replace a worn-out transmission, the Ford 4R70W Level 3 is a reliable and robust option that can meet the demands of rugged use.

 

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