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When it comes to LS swapping Z cars, achieving 550+ horsepower is a common goal for many enthusiasts. To reach this power level, selecting the right camshaft and fuel system upgrades is crucial. In this article, we will explore the best options available to help you maximize your LS swap’s performance.
Understanding LS Swaps
LS swaps have become increasingly popular among car enthusiasts due to the LS engine’s reliability, performance, and aftermarket support. Z cars, known for their lightweight chassis and agile handling, make an excellent platform for these powerful engines. However, to unlock the full potential of an LS engine, specific upgrades are necessary.
Choosing the Right Camshaft
The camshaft plays a pivotal role in determining an engine’s performance characteristics. For an LS engine aiming for over 550 horsepower, selecting a camshaft that provides the right balance of lift, duration, and lobe separation is essential.
Top Camshaft Options
- Texas Speed Stage 2 Camshaft: This camshaft offers excellent power gains with a good balance of drivability and performance.
- Brian Tooley Racing (BTR) Stage 3 Camshaft: Known for its aggressive profile, this camshaft is perfect for those looking for maximum performance.
- Comp Cams XFI RPM Camshaft: Designed for high RPM performance, this camshaft is ideal for racing applications.
Fuel System Upgrades
To support the increased horsepower from your LS engine, upgrading the fuel system is equally important. A high-performance fuel system ensures that your engine receives the necessary fuel volume and pressure for optimal performance.
Essential Fuel System Components
- Fuel Injectors: Upgrading to larger fuel injectors is crucial for delivering the increased fuel flow required at higher horsepower levels.
- Fuel Pump: A high-flow fuel pump is necessary to maintain adequate fuel pressure under load.
- Fuel Rails: Upgraded fuel rails can help improve fuel distribution and support higher flow rates.
Recommended Fuel System Upgrades
Here are some of the best fuel system upgrades to consider for your LS swap Z car:
- DeatschWerks Fuel Injectors: These injectors are available in various sizes, making them perfect for achieving the desired horsepower.
- Walbro 450 Fuel Pump: This pump is a popular choice among enthusiasts for its reliability and high flow rate.
- FAST Fuel Rails: Designed for optimal fuel flow, these rails are a great addition to any high-performance setup.
Tuning Considerations
After installing camshaft and fuel system upgrades, proper tuning is essential to maximize performance. A professional tune will ensure that your engine runs efficiently and reliably at higher horsepower levels.
Importance of Professional Tuning
Professional tuning can help you achieve the following:
- Optimize air-fuel ratios for peak performance.
- Adjust ignition timing for improved throttle response.
- Ensure compatibility with all aftermarket components.
Conclusion
Achieving 550+ horsepower in an LS swap Z car is an exciting challenge that requires careful selection of camshaft and fuel system upgrades. By choosing the right components and ensuring proper tuning, you can unlock the full potential of your LS engine and enjoy the thrilling performance that comes with it.