Best K Swap Brands for Miata: Comparing Ls, 1jz, and 2jz Power Gains

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The Mazda Miata is a beloved sports car known for its lightweight design and exceptional handling. One of the most popular modifications among enthusiasts is the engine swap, particularly the K swap, where a powerful engine is installed to enhance performance. In this article, we will explore the best K swap brands for the Miata, comparing the power gains from LS, 1JZ, and 2JZ engines.

Understanding the K Swap

A K swap involves replacing the Miata’s original engine with a more powerful option, allowing for significant performance improvements. The choice of engine can greatly influence the car’s handling, acceleration, and overall driving experience. Below, we will delve into three popular engine options: LS, 1JZ, and 2JZ.

LS Engine Swap

The LS engine, a V8 powerhouse from General Motors, is a favorite among Miata enthusiasts. Known for its reliability and aftermarket support, the LS engine provides substantial power gains.

Power Gains

When swapping an LS engine into a Miata, enthusiasts can expect impressive power gains:

  • Stock LS1: Approximately 305 horsepower
  • LS3: Up to 430 horsepower
  • LS7: Around 505 horsepower

Several brands specialize in LS swaps for Miatas, providing kits and components to facilitate the process:

  • V8 Roadsters
  • Flyin’ Miata
  • Miata LS Swap

1JZ Engine Swap

The 1JZ engine, a turbocharged inline-six from Toyota, is another popular choice for Miata swaps. This engine offers a balance of power and weight, making it an appealing option.

Power Gains

Swapping a 1JZ engine into a Miata can yield the following power results:

  • Stock 1JZ-GTE: Approximately 280 horsepower
  • Tuned 1JZ: Up to 400 horsepower with modifications

Several brands offer components and kits for 1JZ swaps into Miatas:

  • JZ Swap
  • Driftmotion
  • Chaser Factory

2JZ Engine Swap

The 2JZ engine, known for its robust design and tuning potential, is a legendary choice for high-performance builds. This engine is often associated with the Toyota Supra and is revered for its strength.

Power Gains

When swapping a 2JZ engine into a Miata, enthusiasts can expect remarkable power increases:

  • Stock 2JZ-GTE: Approximately 320 horsepower
  • Tuned 2JZ: Can exceed 600 horsepower with modifications

For those considering a 2JZ swap, several brands provide the necessary components:

  • 2JZ Swap
  • JZ Racing
  • HKS

Comparing Power Gains

To summarize the power gains from each engine swap, here’s a comparison:

  • LS: 305 to 505 horsepower
  • 1JZ: 280 to 400 horsepower
  • 2JZ: 320 to 600 horsepower

Conclusion

Choosing the right engine for a Miata K swap depends on your performance goals and driving style. The LS engine offers immense power and reliability, while the 1JZ provides a balance of weight and performance. The 2JZ stands out for its tuning potential and power capabilities. Each option has its merits, making the Miata a versatile platform for performance modifications.