Transmission Fit: 4L60E To NP208 Adapter For Custom Builds
Transmission Fit: 4L60E to NP208 Adapter for Custom Builds
The 4L60E transmission is a popular choice for custom builds due to its durability, versatility, and relatively low cost. However, mating it to a NP208 transfer case can be a challenge, as the two components use different bolt patterns and input shaft configurations. This is where a 4L60E to NP208 adapter comes in.
Adapter Overview
A 4L60E to NP208 adapter is a precision-machined component that bridges the gap between the two transmissions, allowing them to be bolted together securely. It features a flange that matches the bolt pattern of the 4L60E transmission and a splined input shaft that fits into the NP208 transfer case.
The adapter is typically made from high-strength steel or aluminum and is designed to withstand the rigors of off-road use. It also incorporates a bearing to support the input shaft and ensure smooth operation.
Adapter Benefits
Using a 4L60E to NP208 adapter offers several benefits for custom builds:
- Compatibility: Allows the 4L60E transmission to be mated to the NP208 transfer case, providing a wide range of gear ratios and configurations for different applications.
- Durability: The adapter is constructed from robust materials and engineered to handle the high torque and stress associated with off-road driving.
- Versatility: The adapter can be used in a variety of custom builds, including rock crawlers, trail rigs, and street performance vehicles.
- Ease of Installation: The adapter is relatively easy to install, requiring only basic tools and mechanical knowledge.
Adapter Considerations
When selecting a 4L60E to NP208 adapter, it is important to consider the following factors:
- Transmission Model: Ensure that the adapter is compatible with the specific model of 4L60E transmission being used.
- Transfer Case Model: Verify that the adapter is designed to mate with the NP208 transfer case model in the build.
- Input Shaft Length: Choose an adapter with the correct input shaft length to match the specific transfer case being used.
- Material: Opt for an adapter made from high-strength steel or aluminum for durability and longevity.
- Bearing Quality: Select an adapter with a high-quality bearing to ensure smooth operation and reduce wear.
Adapter Installation
Installing a 4L60E to NP208 adapter is a straightforward process that can be completed in a few steps:
- Remove the Transmission: Disconnect the transmission from the engine and remove it from the vehicle.
- Install the Adapter: Bolt the adapter to the 4L60E transmission using the provided hardware.
- Mount the Transfer Case: Align the transfer case with the adapter and bolt it into place.
- Connect the Driveshafts: Install the driveshafts to connect the transmission and transfer case to the axles.
- Fill with Fluids: Fill the transmission and transfer case with the appropriate fluids.
Adapter Pricing
The cost of a 4L60E to NP208 adapter can vary depending on the manufacturer, materials used, and features offered. However, expect to pay between $200 and $500 for a high-quality adapter.
| Manufacturer | Material | Price Range |
|---|---|---|
| Advance Adapters | Steel | $250-$350 |
| Novak Conversions | Aluminum | $300-$400 |
| JB Conversions | Steel | $220-$320 |
| Off-Road Design | Aluminum | $350-$450 |
Conclusion
A 4L60E to NP208 adapter is an essential component for custom builds that combine the 4L60E transmission with the NP208 transfer case. By providing a secure and durable connection between the two components, the adapter enables a wide range of gear ratios and configurations for optimal performance in various off-road and performance applications. When selecting an adapter, consider the compatibility, durability, versatility, ease of installation, and cost factors to ensure the best fit for your specific build.
