How to Install a 13b-rew Swap: Cost Breakdown and Step-by-step Instructions

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Installing a 13B-REW engine swap can be an exciting project for automotive enthusiasts. This guide will provide a detailed cost breakdown and step-by-step instructions to help you through the process.

Understanding the 13B-REW Engine

The 13B-REW is a rotary engine produced by Mazda, renowned for its lightweight design and high power output. It is commonly found in the Mazda RX-7 models. Before diving into the swap, it’s essential to understand the engine’s specifications and requirements.

  • Engine Type: Rotary
  • Displacement: 1.3L
  • Power Output: Approximately 280 hp
  • Torque: Around 250 lb-ft

Cost Breakdown

Before starting your 13B-REW swap, it’s crucial to have a budget in mind. Below is a breakdown of the estimated costs involved in the swap process.

  • Engine Cost: $2,500 – $5,000
  • Transmission Cost: $1,000 – $2,500
  • Wiring Harness: $300 – $800
  • Engine Mounts: $200 – $500
  • Exhaust System: $400 – $1,000
  • Miscellaneous Parts: $500 – $1,000
  • Labor Costs (if applicable): $1,000 – $2,000

Step-by-Step Installation Instructions

Step 1: Preparation

Before beginning the installation, ensure you have all necessary tools and parts. Gather the following:

  • Socket set
  • Wrenches
  • Engine hoist
  • Jack stands
  • Safety gear

Step 2: Remove the Old Engine

Start by disconnecting the battery and removing any components obstructing the engine. Follow these sub-steps:

  • Drain coolant and oil.
  • Remove the intake and exhaust manifolds.
  • Disconnect wiring harness and hoses.
  • Unbolt the engine from the transmission.
  • Use the engine hoist to lift the old engine out.

Step 3: Prepare the New Engine

Before installing the 13B-REW, ensure it is ready for installation. This includes:

  • Inspecting the engine for any damage.
  • Installing new gaskets and seals.
  • Attaching the wiring harness.
  • Fitting the engine mounts.

Step 4: Install the 13B-REW Engine

With the new engine prepared, it’s time to install it into the vehicle. Follow these steps:

  • Position the engine hoist over the engine bay.
  • Carefully lower the engine into place.
  • Align the engine mounts with the chassis.
  • Secure the engine to the transmission.

Step 5: Reconnect Components

After the engine is secured, reconnect all components that were removed earlier:

  • Reattach the intake and exhaust manifolds.
  • Reconnect the wiring harness and hoses.
  • Install the new exhaust system.

Step 6: Final Checks and Testing

Before starting the engine, perform the following checks:

  • Ensure all bolts are tightened.
  • Check fluid levels (oil, coolant).
  • Verify connections of the wiring harness.

Once everything is checked, reconnect the battery and start the engine. Monitor for any unusual sounds or leaks.

Conclusion

Installing a 13B-REW swap can be a rewarding experience. With careful planning, budgeting, and following these steps, you can successfully complete the installation. Always remember to prioritize safety and consult professionals if needed.