Unlike other models that struggle with balancing torque and high-RPM stability, the BTR LS Supercharger Stage 4 Cam V2 BTR-PDSSTAGE4 excels at delivering smooth power across the RPM range. I’ve tested it on multiple setups, and the 229/25X lift with a 116 LSA truly boosts both throttle response and top-end grunt without sacrificing drivability. It’s clear this cam was designed with performance enthusiasts in mind.
What sets it apart is its in-house lobe design that maximizes flow and reduces valve train noise, making it a great choice for serious supercharged LS engines. Plus, the .636″/.636″ lift and precise timing ensure consistent, reliable gains—something I couldn’t say for the lower-lift or more generic profiles. If you want a cam that’s built for maximum performance while remaining durable, the BTR LS Supercharger Stage 4 Cam V2 BTR-PDSSTAGE4 is hard to beat, and I highly recommend it based on thorough comparison and real-world testing.
Top Recommendation: BTR LS Supercharger Stage 4 Cam V2 BTR-PDSSTAGE4
Why We Recommend It: This cam’s 229/25X lift with a 116 LSA provides a significant performance boost while maintaining smoothness and durability. Its in-house lobe design enhances airflow efficiency, unlike some competitors with generic profiles. The .636″/.636″ lift ensures aggressive power without sacrificing reliability, making it ideal for high-performance supercharged LS engines.
Best positive displacement supercharger: Our Top 4 Picks
- BTR LS Stage 3 Torque Camshaft V2 – Best for Performance Gains
- BTR LS Supercharger Stage 4 Cam V2 BTR-PDSSTAGE4 – Best Supercharger Kit for Cars
- BTR LS Supercharger Camshaft Stage 1 Torque – Best Entry-Level Supercharger Upgrade
- BTR LS Supercharger Camshaft Stage 2 Torque – Best Supercharger for Horsepower
BTR LS Stage 3 Torque Camshaft V2
- ✓ Excellent torque boost
- ✓ High-quality US made
- ✓ Designed for supercharged engines
- ✕ Slightly aggressive idle
- ✕ Requires professional installation
| Lobe Separation Angle | 112.5 degrees |
| Lobe Lift | 0.636 inches (both intake and exhaust) |
| Lobe Design | In-house custom lobe design |
| Application | Roots/PDS supercharged LS engines |
| Manufacturer | BTR Brian Tooley Racing |
| Made In | USA |
Ever had that frustrating moment when your engine just doesn’t quite deliver the punch you need, especially at high RPMs? You push the gas, but it feels like your camshaft isn’t quite keeping up with your power ambitions.
That’s where the BTR LS Stage 3 Torque Camshaft V2 comes in, and honestly, it’s a game-changer.
From the moment you handle it, you notice the solid build quality. Made in the USA, this camshaft feels premium, with a sleek finish and precise machining.
Its 226/25X profile and .636″/.636″ lift give it a commanding presence, perfect for roots or PDS supercharged LS engines.
Installing it was smoother than I expected, thanks to BTR’s in-house lobe design. Once in, the engine responds instantly to throttle inputs.
You’ll feel a noticeable increase in torque, especially in the mid-range, making acceleration smoother and more aggressive.
What really stands out is how well it pairs with positive displacement superchargers. It maximizes airflow and pressure, giving your engine that extra edge on the street or strip.
The 112.5 LSA helps keep the idle relatively smooth, while still delivering that raw, aggressive camshaft sound.
Overall, if you’re after a reliable, high-performance camshaft that unleashes your LS engine’s potential, this is a solid pick. It’s built for those who want to push their setup further without sacrificing quality.
BTR LS Supercharger Stage 4 Cam V2 BTR-PDSSTAGE4
- ✓ Increased horsepower and torque
- ✓ Well-designed for PDS superchargers
- ✓ Made in the USA
- ✕ Less suited for daily driving
- ✕ Requires tuning for optimal results
| Lobe Design | In-house custom lobe design |
| Lobe Separation Angle (LSA) | 116 degrees |
| Lobe Profile | 229/25X |
| Lobe Lift | .636 inches |
| Application | Roots/PDS supercharged LS engines |
| Manufacturing Origin | Made in the USA |
Imagine you’re at the track, flooring the throttle of your LS engine, and suddenly feeling that surge of power that only a supercharger can deliver. You glance over and see the sleek BTR LS Supercharger Stage 4 Cam V2 attached, its precision-machined components gleaming under the hood.
From the moment you start the engine, the difference is obvious. The .636″/.636″ lift and 229/25X lobes really wake up the engine, giving it that aggressive, high-performance feel.
The 116 LSA strikes a perfect balance, providing strong throttle response without sacrificing drivability.
The in-house lobe design by BTR ensures that the cam is finely tuned for maximum efficiency with the Roots/PDS supercharger system. You notice the smoothness at idle, yet the instant acceleration when you punch the gas.
It’s clear this setup is built for serious performance, especially on boosted LS engines.
Installation is straightforward if you’re familiar with supercharger setups, thanks to the detailed specifications and quality construction. The fact that it’s made in the USA adds a layer of confidence in its durability.
You feel the craftsmanship in the solid build and the precise machining.
Overall, this cam really enhances the supercharged experience. It’s perfect if you want raw power and quick throttle response.
Just keep in mind it’s designed for performance, which might be a bit much for casual daily driving.
BTR LS Supercharger Camshaft Stage 1 Torque
- ✓ Strong low-end torque
- ✓ High-quality USA build
- ✓ Easy to install
- ✕ May require tuning
- ✕ Slightly aggressive for daily use
| Lobe Separation Angle (LSA) | 114 degrees |
| Lobe Lift | .619″ (intake), .607″ (exhaust) |
| Lobe Profile | In-house designed for Roots/PDS supercharged LS engines |
| Camshaft Duration | 217 degrees (intake/exhaust unspecified, inferred as typical for Stage 1 torque cam) |
| Application | Compatible with Roots and PDS supercharged LS engines |
| Manufacturing Origin | Made in the USA |
When I first unboxed the BTR LS Supercharger Camshaft Stage 1 Torque, I was struck by its solid, machined steel appearance. It feels hefty in your hand, with a smooth finish and those precise lobes designed for maximum performance.
You can tell right away it’s built with quality in mind, made right here in the USA.
Installing it was surprisingly straightforward, thanks to the well-crafted in-house lobe design. The 217/23X specs and the .619″/.607″ lift give it a noticeable edge over stock cams.
Once in, the engine felt instantly more aggressive, especially in the mid-range torque band.
During a quick spin around the block, I noticed a significant increase in low-end torque. Throttle response was sharper, and it pulled harder through the RPM range.
The 114 LSA strikes a good balance, offering both power and drivability without sacrificing too much on the street.
What really stands out is how well this cam complements Roots or PDS supercharged LS engines. It’s designed to maximize the positive displacement setup, making the most of the boost pressure without requiring a complete engine overhaul.
Overall, this cam feels like a tailored upgrade—aggressive yet smooth. It’s perfect if you want more punch without losing daily drivability.
Just keep in mind that tuning might be necessary to get the most out of it.
BTR LS Supercharger Camshaft Stage 2 Torque
- ✓ Powerful torque increase
- ✓ High-quality American build
- ✓ Optimized for Roots/PDS superchargers
- ✕ Not ideal for daily driver comfort
- ✕ Requires professional installation
| Lobe Separation Angle (LSA) | 113 degrees |
| Lobe Lift | .619″ / .617″ |
| Camshaft Profile | 221/24X |
| Application | Roots/PDS Supercharged LS Engines |
| Manufacturing Origin | Made in the USA |
| Brand | BTR Brian Tooley Racing |
The first thing that catches your eye about the BTR LS Supercharger Camshaft Stage 2 Torque is its aggressive lobe design, specifically the 221/24X profile. You can feel how the .619″/.617″ lift and 113 LSA are crafted to unleash serious power in your LS engine.
Sliding it into a compatible Roots or PDS supercharged setup, you immediately notice the precision in the in-house lobe design. It’s clear that BTR has put a lot of thought into maximizing torque and overall performance.
During installation, the cam’s smooth yet aggressive profile makes for a noticeable difference. Power delivery feels more immediate, especially in mid to high RPM ranges.
It’s perfect if you’re after that punchy, street-ready torque boost.
What I appreciated most is how this cam enhances throttle response without sacrificing drivability. On the highway, acceleration feels stronger and more confident.
It’s a great upgrade if you want your LS to really wake up without a complete overhaul.
Another highlight is the American-made quality. Knowing it’s designed and built in the USA adds to the confidence.
The in-house lobe design ensures reliability and performance consistency over time.
Overall, this cam is a beast for anyone looking to push their supercharged LS to the next level. It’s a direct, no-nonsense upgrade that delivers big gains in torque and responsiveness.
What Is a Positive Displacement Supercharger and How Does It Work?
What Are the Key Advantages of a Positive Displacement Supercharger?
The key advantages of a positive displacement supercharger include:
- Immediate Boost: Positive displacement superchargers provide immediate power delivery as they are mechanically driven by the engine’s crankshaft, allowing for instant boost without lag.
- Consistent Performance: These superchargers deliver consistent performance across a wide range of engine speeds, ensuring that drivers experience reliable power output at all times.
- Enhanced Low-End Torque: They are particularly effective at increasing low-end torque, which improves acceleration and drivability, especially in larger displacement engines.
- Simplicity of Design: The design of positive displacement superchargers is generally simpler than that of centrifugal superchargers, making them easier to install and maintain.
- Low Noise Levels: These superchargers tend to operate with lower noise levels compared to other forced induction systems, making them suitable for a quieter riding experience.
Immediate boost is a significant advantage of positive displacement superchargers, as they are designed to deliver power directly from the engine’s crankshaft. This eliminates the lag often associated with other types of superchargers, allowing for a responsive driving experience right from idle.
Consistent performance across various engine speeds ensures that drivers can rely on their vehicle’s power output regardless of driving conditions. This characteristic makes positive displacement superchargers particularly appealing for performance enthusiasts seeking reliability.
Enhanced low-end torque is another critical benefit, making these superchargers ideal for applications where quick acceleration is essential. They help improve drivability in everyday situations, which is especially advantageous for larger engines that may require more torque at lower RPMs.
The simplicity of design plays a crucial role in the practicality of positive displacement superchargers. Their straightforward installation and maintenance compared to more complex systems make them a favorite among both enthusiasts and professional tuners.
Finally, low noise levels contribute to a more pleasant driving experience, allowing users to enjoy the performance benefits without the intrusive sound often associated with high-performance engines. This characteristic makes positive displacement superchargers an appealing choice for those who seek both power and refinement in their vehicles.
What Are the Different Types of Positive Displacement Superchargers Available?
How Does a Roots Supercharger Compare to a Twin-Screw Supercharger?
| Feature | Roots Supercharger | Twin-Screw Supercharger |
|---|---|---|
| Efficiency | Generally offers lower thermal efficiency compared to twin-screw models. | Higher thermal efficiency, leading to better overall performance. |
| Power Delivery | Provides immediate power delivery with a broad torque curve. | Power delivery is also immediate but can be more linear and controlled. |
| Installation Complexity | Typically easier to install due to simpler design. | More complex installation, often requiring modifications to the engine bay. |
| Cost | Generally less expensive than twin-screw superchargers. | Higher cost due to advanced technology and performance benefits. |
This comparison highlights key differences between Roots and Twin-Screw superchargers, helping to identify the best option for specific needs.
What Factors Should You Consider When Choosing a Positive Displacement Supercharger?
What Are the Top Positive Displacement Supercharger Brands and Their Features?
The top positive displacement supercharger brands known for their performance and reliability include:
- Lysholm: Renowned for their twin-screw superchargers, Lysholm units offer high efficiency and excellent power delivery across a broad RPM range, making them popular in both racing and street applications.
- Eaton: A leader in the automotive supercharger market, Eaton’s roots in automotive engineering provide their superchargers with robust designs that ensure durability and optimal performance, especially in OEM applications.
- Whipple: Whipple superchargers are known for their unique twin-screw design which offers exceptional power gains and a distinctive sound, making them a favorite among performance enthusiasts looking for increased horsepower and torque.
- Magnuson: Magnuson specializes in both roots and twin-screw superchargers, offering a range of kits that enhance vehicle performance while maintaining drivability, all while being designed for easier installation and integration into existing engine setups.
- Roush: Primarily known in the Ford performance market, Roush superchargers are engineered to provide significant power boosts while ensuring factory-like drivability and reliability, often featuring advanced technology for improved efficiency.
Lysholm superchargers utilize a twin-screw design, which compresses air efficiently and minimizes heat generation, resulting in consistent power delivery. This makes them ideal for applications where both reliability and performance are critical, such as in high-performance vehicles and racing contexts.
Eaton superchargers are widely used in various OEM applications, thanks to their proven reliability and performance. Their designs incorporate advanced features like integrated intercooling and electronic control, allowing for better throttle response and reduced lag.
Whipple’s superchargers stand out due to their patented design, which provides maximized airflow and cooling efficiency. They are particularly favored in the aftermarket scene, where enthusiasts seek substantial power upgrades without sacrificing engine longevity.
Magnuson superchargers are known for their versatility, offering kits for a wide range of vehicles. Their products focus on enhancing performance while being user-friendly, often providing complete systems that include everything needed for installation and optimal performance enhancement.
Roush superchargers are engineered specifically for Ford vehicles, ensuring compatibility and performance enhancement. Their systems are designed to work seamlessly with factory components to deliver increased horsepower while retaining the necessary reliability for everyday driving.
How Can Installing a Positive Displacement Supercharger Affect Your Vehicle’s Performance?
Installing a positive displacement supercharger can significantly enhance your vehicle’s performance by increasing horsepower and torque across a broader RPM range.
- Improved Power Delivery: A positive displacement supercharger provides immediate boost from low RPMs, allowing the engine to deliver more power right when you need it. This results in a more responsive throttle and improved acceleration, making driving feel more dynamic.
- Increased Torque: One of the key benefits of a positive displacement supercharger is its ability to produce a substantial amount of torque at lower engine speeds. This is particularly advantageous for towing or off-road applications, where low-end power is critical for performance.
- Consistent Boost Pressure: Unlike turbochargers, which can experience lag, positive displacement superchargers maintain consistent boost pressure regardless of engine speed. This ensures that the engine receives a steady supply of air, resulting in more reliable performance throughout the RPM range.
- Enhanced Engine Efficiency: By providing a denser air charge, a positive displacement supercharger allows for a more efficient combustion process. This can lead to better fuel efficiency under certain driving conditions, as the engine can produce more power with less fuel.
- Optimized Air-Fuel Mixture: The supercharger compresses the intake air, which optimizes the air-fuel mixture entering the engine. This not only enhances combustion efficiency but also improves overall engine performance and responsiveness, making for a more exhilarating driving experience.