Table of Contents
The automotive world is filled with enthusiasts who love to compare performance metrics, especially when it comes to iconic cars. One such comparison that has garnered attention is between the stock Mazda RX-7 and the LS-swapped RX-7 equipped with a 700 HP supercharged LSX engine. This article delves into the power gains, performance metrics, and driving experiences of both setups.
Overview of the Mazda RX-7
The Mazda RX-7 is a lightweight sports car that gained fame for its rotary engine and agile handling. Produced from 1978 to 2002, it has become a favorite among car enthusiasts due to its unique engineering and performance capabilities. The stock version features a 1.3-liter twin-rotor engine, which produces approximately 255 horsepower in the later models.
Understanding the LS Swap
The LS engine family, originally produced by General Motors, is known for its reliability and power potential. Swapping an LS engine into a Mazda RX-7 has become a popular modification due to the significant power gains and improved torque delivery. The 700 HP supercharged LSX variant takes this to another level, offering immense performance capabilities.
Power Gains Comparison
When comparing the stock RX-7 to the LS-swapped version, the differences in power output are staggering. The following sections outline the key metrics for both setups.
Stock RX-7 Performance
The stock RX-7 is equipped with a lightweight chassis and a rotary engine that offers a unique driving experience. Key performance metrics include:
- Power Output: 255 HP
- Torque: 217 lb-ft
- 0-60 mph: Approximately 5.5 seconds
- Top Speed: Around 155 mph
LS Swapped RX-7 Performance
The LS-swapped RX-7, particularly with a 700 HP supercharged LSX engine, represents a significant leap in performance. Key metrics for this setup include:
- Power Output: 700 HP
- Torque: Approximately 650 lb-ft
- 0-60 mph: Estimated at 3.2 seconds
- Top Speed: Potentially exceeding 200 mph
Driving Experience
The driving experience between the stock RX-7 and the LS-swapped version differs greatly, affecting handling, acceleration, and overall engagement.
Stock RX-7 Driving Dynamics
The stock RX-7 is known for its nimble handling and balanced weight distribution. Drivers often appreciate:
- Lightweight feel
- Responsive steering
- High-revving engine character
LS Swapped RX-7 Driving Dynamics
In contrast, the LS-swapped RX-7 offers a different driving experience, characterized by raw power and torque. Enthusiasts often note:
- Immediate power delivery
- Increased torque for better acceleration
- Potentially heavier front end due to the engine swap
Cost Considerations
When considering an LS swap, potential buyers should evaluate the costs involved compared to maintaining a stock RX-7. Here’s a breakdown of the financial aspects:
Stock RX-7 Costs
The cost of a stock RX-7 can vary based on condition, mileage, and model year. Typical costs include:
- Purchase Price: $10,000 – $25,000
- Maintenance: Regular maintenance costs
- Insurance: Generally lower premiums
LS Swap Costs
Performing an LS swap involves considerable investment. Key costs include:
- Engine Purchase: $7,000 – $15,000
- Swap Kit: $1,500 – $3,000
- Labor Costs: $2,000 – $5,000
- Additional Modifications: Varies based on setup
Conclusion
In summary, the comparison between a stock RX-7 and an LS-swapped RX-7 with a 700 HP supercharged LSX engine highlights significant differences in power, performance, and driving experience. While the stock RX-7 offers a unique and engaging driving experience, the LS-swapped version delivers unparalleled power and acceleration. Enthusiasts must weigh these factors, alongside cost considerations, when deciding which setup best suits their automotive passions.