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The Nissan S14 240SX is a beloved platform for car enthusiasts, particularly those interested in tuning and performance upgrades. One of the most popular engine swaps for this vehicle is the SR20DET, a turbocharged inline-four that can easily be modified to achieve impressive horsepower figures. In this article, we will break down the costs associated with achieving 300 horsepower on an S14 240SX using a boosted SR20DET setup.
Understanding the SR20DET Engine
The SR20DET is known for its robust design and tuning potential. This engine, originally found in the Nissan Silvia and 180SX, features a DOHC design and a turbocharger that allows for significant power increases with the right modifications. To reach 300 horsepower, several key components must be upgraded or replaced.
Cost Breakdown of Key Components
- SR20DET Engine Swap: $2,500 – $4,000
- Turbocharger Upgrade: $800 – $1,500
- Intercooler Kit: $300 – $800
- Fuel System Upgrade: $400 – $1,000
- ECU Tuning: $500 – $1,200
- Exhaust System: $300 – $700
- Intake System: $200 – $500
- Miscellaneous Parts: $300 – $600
1. SR20DET Engine Swap
The heart of this project is the SR20DET engine itself. Depending on the condition and mileage, sourcing a good engine can range from $2,500 to $4,000. This price often includes the engine, transmission, and necessary components for the swap.
2. Turbocharger Upgrade
To achieve 300 horsepower, a turbocharger upgrade is essential. Depending on the brand and specifications, a new turbo can cost between $800 and $1,500. Popular choices include the Garrett GT2860 and the Holset HX35.
3. Intercooler Kit
Installing a quality intercooler kit is vital for maintaining optimal intake temperatures. Expect to spend between $300 and $800 for a good intercooler setup that can handle the increased boost levels.
4. Fuel System Upgrade
To support the increased power, upgrading the fuel system is necessary. This includes high-flow fuel injectors and a fuel pump. The costs for these upgrades typically range from $400 to $1,000.
5. ECU Tuning
Proper tuning is crucial to ensure the engine runs efficiently and reliably at higher horsepower levels. Professional ECU tuning can cost between $500 and $1,200, depending on the tuner and the complexity of the setup.
6. Exhaust System
A performance exhaust system not only improves flow but also enhances sound. Budget between $300 and $700 for a quality aftermarket exhaust that suits your performance goals.
7. Intake System
Upgrading the intake system helps the engine breathe better. Expect to spend $200 to $500 on a high-performance intake system that complements your turbo setup.
8. Miscellaneous Parts
Lastly, don’t forget about miscellaneous parts such as gaskets, hoses, and fittings. These can add an additional $300 to $600 to your total cost.
Total Estimated Cost
When you add up all the components, the total estimated cost for achieving 300 horsepower on an S14 240SX with a boosted SR20DET engine ranges from approximately $5,300 to $10,900. This range accounts for variations in parts, labor, and tuning preferences.
Conclusion
Achieving 300 horsepower on an S14 240SX with a boosted SR20DET is a rewarding project that requires careful planning and budgeting. By understanding the costs associated with each component, enthusiasts can better prepare for their tuning journey and enjoy the thrill of driving a high-performance vehicle.