Performance Gains from Ls Swap on Chevy Square Bodies: 150 Hp Increase for $5,000

The LS engine swap has become a popular modification among enthusiasts of Chevy Square Bodies. This swap not only enhances performance but also provides a cost-effective solution for those looking to boost horsepower significantly. In this article, we will explore the performance gains from an LS swap on Chevy Square Bodies, focusing on achieving a remarkable 150 horsepower increase for around $5,000.

Understanding the Chevy Square Body

The Chevy Square Body, produced from 1973 to 1987, is beloved for its rugged design and versatility. These trucks and SUVs have a loyal following, making them prime candidates for modern performance upgrades. The stock engines, while reliable, often lack the power and efficiency that today’s drivers desire.

Why Choose an LS Engine?

The LS engine series, introduced in the late 1990s, has gained fame for its performance, reliability, and aftermarket support. Here are a few reasons why swapping an LS engine into a Chevy Square Body is a smart choice:

  • Power and Torque: LS engines are known for their robust power output and torque delivery, making them ideal for performance applications.
  • Weight Savings: LS engines are lighter than the original small-block engines, improving the vehicle’s weight distribution and handling.
  • Fuel Efficiency: Modern LS engines offer better fuel economy compared to older engines, providing a good balance of power and efficiency.
  • Aftermarket Support: There is a vast aftermarket for LS engines, ensuring that parts and upgrades are readily available.

Cost Breakdown of an LS Swap

Completing an LS swap can be done efficiently and affordably. Here’s a breakdown of the estimated costs involved in achieving a 150 horsepower increase for around $5,000:

  • LS Engine: $2,000 – $3,000 for a used engine, depending on mileage and condition.
  • Transmission: $500 – $1,000 for an LS-compatible transmission.
  • Wiring Harness: $300 – $600 for a standalone wiring harness.
  • Motor Mounts: $100 – $300 for custom motor mounts.
  • Exhaust System: $300 – $500 for headers and exhaust components.
  • Miscellaneous Parts: $200 – $500 for small parts like fluids, belts, and hoses.

Performance Gains from the LS Swap

One of the most significant advantages of an LS swap is the substantial increase in horsepower and torque. The typical LS engine can provide a 150 horsepower increase over the original engine, transforming the driving experience. Here’s how:

  • Increased Horsepower: Many LS engines start at around 300 horsepower, compared to the stock engines that often produce less than 200 horsepower.
  • Enhanced Torque: LS engines deliver impressive torque, improving acceleration and overall performance.
  • Improved Throttle Response: The modern design of LS engines offers better throttle response, making the vehicle more enjoyable to drive.

Installation Tips for a Successful Swap

Successfully completing an LS swap requires careful planning and execution. Here are some tips to ensure a smooth installation:

  • Research: Familiarize yourself with the specific requirements for your Square Body model to avoid compatibility issues.
  • Gather Tools: Ensure you have all necessary tools and equipment before starting the swap.
  • Follow a Guide: Utilize online resources, forums, and swap guides to aid in the installation process.
  • Consider Professional Help: If you’re unsure about any step, don’t hesitate to seek assistance from professionals or experienced friends.

Conclusion

Swapping an LS engine into a Chevy Square Body is an excellent way to achieve significant performance gains without breaking the bank. With the potential for a 150 horsepower increase for around $5,000, this modification not only enhances power but also modernizes the driving experience. By following the tips outlined in this article, enthusiasts can successfully complete this swap and enjoy the benefits of a more powerful and efficient vehicle.