Description
Description
This is designed for Small Block Ford engines and is designed to work with 2-bolt starter applications. This is a 2wd transmission. This will require the use of a standalone transmission controller unless this is going into a factory application. Our 4R70W's are designed to work with 1998-2003 wiring for standalone transmission controllers.
Performance Specifications
- 4R70W Level 3
- Rated up to: 500 HP at the crankshaft
- Rated up to: 450 ft-lbs of torque at the crankshaft
- Converter: Custom built & custom stalled 10" multi disk billet Yank Performance converter or 12" billet yank performance converter
- Stall: 1800-3200
Build Details
- Master Overhaul Kit with Hardened Steels
- Raybestos Stage I Frictions
- High Performance Valve Body Reprogramming Kit
- New electronics – includes updated EPC, Shift Solenoids, Lock Up Solenoid, Internal Wiring Harness, Output Sensors, Filter
- Complete Torrington Bearing Kit
- New Bushing Kit
- New Reverse Band
- Alto Red Eagle Wide O.D. Band
- High Capacity 4 Plate Intermediate Clutch
- Direct Clutch Pack (8 Frictions)
- Rev. Drum w/ Heavy Duty Mechanical Diode
- Updated Sun Shell and Gear
- New Low Spring and Roller
- High-Capacity Pump Assembly
- Updated O.D. Servo Pin and Piston
- Updated 3rd Accumulator Piston
- Custom 360-degree Adjustable Shift Linkage Arm
- New OE Pan
Gear Ratios
- 1st: 2.840
- 2nd: 1.550
- 3rd: 1.000
- 4th: 0.700
Dimensions
- Measurements are taken from mounting surface where trans meets engine block to the tip of the tailshaft
- Total Length: 32 1/2"
- Distance to trans mount center: 23 1/2"
Faq
The 4R70W transmission was used in many Ford, Lincoln, and Mercury vehicles from the 1990s and early 2000s. Popular applications include the Ford Mustang, F-150, Crown Victoria, Expedition, and Mercury Grand Marquis.
To service a Ford 4R70W level 3 transmission at home, inspect the fluid condition, replace the transmission filter, install a new pan gasket if needed, and refill with the correct transmission fluid. Following the recommended service intervals can help extend transmission life and maintain performance.
Common 4R70W shifting problems include harsh shifts, delayed shifts, slipping between gears, failure to shift into overdrive, and torque converter lockup issues. These problems can be caused by worn internal components, low fluid levels, faulty sensors, or transmission control issues.
Several aftermarket companies offer components for rebuilding the Ford 4R70W level 3 transmission, including clutches, seals, and bushings. Gearstar builds high-performance rebuilt transmissions using upgraded internal components designed for horsepower and durability goals.
