Installing an Eaton Limited Slip Differential on a 2008 Subaru Wrx: Cost, Process, and Results

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Installing an Eaton Limited Slip Differential (LSD) on a 2008 Subaru WRX can significantly enhance the vehicle’s performance, particularly in terms of handling and traction. This article will walk you through the cost, process, and results of this modification.

Understanding Limited Slip Differentials

A limited slip differential is designed to improve traction by allowing some degree of wheel slip while ensuring that power is distributed to both wheels. This is especially beneficial in high-performance vehicles like the Subaru WRX, which often encounter challenging driving conditions.

Benefits of Installing an Eaton LSD

  • Improved Traction: Enhanced grip during acceleration and cornering.
  • Better Handling: More predictable behavior in turns.
  • Increased Stability: Reduced wheel spin in slippery conditions.

Cost Breakdown

The total cost of installing an Eaton LSD on a 2008 Subaru WRX can vary based on several factors, including labor costs and additional components needed. Below is a general breakdown:

  • Eaton LSD Unit: $800 – $1,200
  • Installation Labor: $300 – $600
  • Additional Parts (fluid, gaskets, etc.): $100 – $200
  • Total Estimated Cost: $1,200 – $2,000

Installation Process

Installing an Eaton LSD requires mechanical skills and tools. Below are the steps involved in the installation process:

  • Preparation: Gather all necessary tools and components.
  • Lift the Vehicle: Use a hydraulic lift or jack stands to elevate the car.
  • Remove the Rear Differential: Drain the fluid and unbolt the differential from the rear axle.
  • Install the Eaton LSD: Replace the stock differential with the Eaton unit, ensuring proper alignment.
  • Reassemble the Differential: Reattach the differential cover and fill it with new fluid.
  • Lower the Vehicle: Carefully remove the lift or jack stands.
  • Test Drive: Take the car for a test drive to ensure proper functionality.

Expected Results

After installing the Eaton LSD, drivers can expect noticeable improvements in their Subaru WRX’s performance. Here are some anticipated results:

  • Enhanced Acceleration: Better power transfer to the wheels during launches.
  • Improved Cornering: More control and confidence when navigating turns.
  • Increased Overall Performance: A more responsive driving experience in various conditions.

Conclusion

Installing an Eaton Limited Slip Differential on a 2008 Subaru WRX is a worthwhile investment for performance enthusiasts. With a clear understanding of the costs, the installation process, and the expected benefits, you can make an informed decision about enhancing your vehicle’s capabilities.