UP TO 650 HP
The 4L65E builds upon the proven 4L60E platform with improved internal strength and torque capacity. Commonly found in GM trucks, SUVs, and performance applications, the 4L65E benefits from performance upgrades that improve clutch holding power, durability, and overall reliability. Available in Godfather and Dominator build levels, the 4L65E is well suited for both street performance and towing applications.
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2002-2006 | Cadillac | Escalade | 6.0L V8 | |
| 2003-2006 | Chevrolet | Silverado SS | 6.0L V8 | |
| 2003-2006 | Chevrolet | Trailblazer SS | 6.0L LS2 V8 | |
| 2004-2006 | GMC | Sierra Denali | 6.0L V8 | |
| 2004-2006 | Hummer | H2 | 6.0L V8 |
| Problem Name | Problem Description |
|---|---|
| Factory sun shells are prone to cracking and stripping under increased torque loads. | 3-4 Clutch Failure |
| Insufficient clutch capacity and heat buildup commonly cause premature clutch failure. | Input Drum Failure |
| High torque loads can damage factory input drums over time. | Servo Wear |
| Factory servos lose holding capacity resulting in soft shifts and band wear. | Pump Wear |
| Pump wear reduces hydraulic pressure and contributes to clutch slippage. |
| Gear | Ratio |
|---|---|
| 1st | 3.06:1 |
| 2nd | 1.63:1 |
| 3rd | 1.00:1 |
| 4th | 0.70:1 |
| Reverse | 2.29:1 |
