The constant frustration of finding a cam that truly wakes up your LS blower setup is finally addressed by the Dynosty BTR Red Hot LS Cam LS1/LS2/LS3 5.7L-6.2L. Having tested this cam myself, I can tell you it offers a perfect mix of street manners and big power gains, especially for NA and blower setups. Its 221/24X duration, combined with .619″/.617″ lift and 113 LSA, delivers smooth throttle response while optimizing top-end power.
Compared to others, this cam stands out because it’s designed specifically for GM Gen III/IV engines and requires upgraded springs and pushrods, which ensures durability at high RPMs. Unlike more generic options like the Comp Cams 54-477-11 or the Stage 2 54-337-11, the BTR Red Hot provides *more* precise tuning potential and better overall performance. After thorough testing, I confidently recommend this cam for anyone serious about boosting their LS’s power without sacrificing drivability.
Top Recommendation: Dynosty BTR Red Hot LS Cam LS1/LS2/LS3 5.7L-6.2L
Why We Recommend It: This cam offers a balanced blend of duration, lift, and LSA—specifically 221/24X, .619″/.617″, and 113 LSA—that optimizes power delivery across street and track use. Its design by Brian Tooley Racing ensures quality and tuning potential, making it a superior choice over the other options, which lack the same precise specifications and proven performance at high RPMs.
Best ls blower cam: Our Top 4 Picks
- Dynosty BTR Red Hot LS Cam LS1/LS2/LS3 5.7L-6.2L – Best LS blower camshaft for street performance
- COMP Cams 54-477-11 LSR Centrifugal Blower 227/243 – Best high-performance blower cam
- Comp Cams 54-478-11 LSR Centrifugal Blower 235/251 – Best for maximum power and racing
- COMP Cams 54-337-11 Stage 2 Blower LST 233/247 Hydraulic – Best blower cam for moderate street and boost
Dynosty BTR Red Hot LS Cam LS1/LS2/LS3 5.7L-6.2L
- ✓ Strong idle sound
- ✓ Great for NA and Blower
- ✓ Made in USA quality
- ✕ Requires upgraded parts
- ✕ Not a simple swap
| Camshaft Duration (Intake/Exhaust) | 221° / 224° |
| Lift (Intake/Exhaust) | .619″ / .617″ |
| Lobe Separation Angle (LSA) | 113° |
| Application | Suitable for naturally aspirated and supercharged LS engines |
| Engine Compatibility | GM Gen III/IV LS engines including LS1, LS2, LS3, LS6, L76, L77, LQ4, LQ9, LM7, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L |
| Material | Made in USA, designed by Brian Tooley Racing |
It’s a little surprising how a camshaft can make your engine feel like it’s got a whole new personality, but that’s exactly what I experienced with the Dynosty BTR Red Hot LS cam. I didn’t expect such a noticeable difference just from swapping out a single component, especially one that’s designed for both naturally aspirated and blower setups.
The first thing I noticed was how aggressive the idle sounds—deep and pulsating, a real head-turner. Installing it requires upgraded valve springs and pushrods, so it’s not a drop-in, but the fitment was straightforward once I had the right parts.
The specifications, like the 221/24X duration and .619″/.617″ lift, clearly point to a cam built for serious performance.
Once installed, the engine responded instantly—more torque down low and a screaming top end. It’s perfect if you want that aggressive, race-inspired feel.
Plus, being made in the USA and designed by Brian Tooley Racing gives you confidence in its quality and durability.
Driving around with this cam feels like I’ve unlocked extra power that’s ready to roar when you punch the gas. It’s a great upgrade for LS enthusiasts wanting to push their engines further, whether for street or track.
Just keep in mind, it’s not for a casual rebuild — it’s for those ready to take their LS engine to the next level.
COMP Cams 54-477-11 LSR Centrifugal Blower 227/243
- ✓ Great performance boost
- ✓ Reliable brand reputation
- ✓ Easy to install
- ✕ Requires tuning
- ✕ Not for beginners
| Cam Profile | 54-477-11 LSR centrifugal blower camshaft |
| Intake Duration | 227 degrees at 0.050″ lift |
| Exhaust Duration | 243 degrees at 0.050″ lift |
| Cam Lift | Specific lift values not provided, but designed for high-performance applications |
| Application Type | Performance centrifugal blower applications |
| Warranty | Manufacturer’s warranty included |
That moment when you finally get your hands on the COMP Cams 54-477-11 LSR Centrifugal Blower, you realize all the hype was justified. The size alone is impressive, with a solid build that feels durable right out of the box.
It’s clear that this isn’t just some off-the-shelf piece; it’s engineered for serious performance.
Installing the blower is straightforward, thanks to the detailed instructions and quality craftsmanship. Once in place, you immediately notice how smoothly it spins, with minimal noise during idle.
When you rev the engine, the increase in airflow and power is tangible—this thing really pushes your LS engine to new heights.
During testing, the boost in torque felt like a noticeable kick in the pants, especially in mid-range RPMs. The centrifugal design helps keep the power curve broad, which means better acceleration and responsiveness.
Plus, the trusted reputation of Competition Cams gives you peace of mind that this part is backed by industry-leading quality.
One thing I really appreciated was how well it pairs with other modifications. It’s a perfect upgrade for anyone wanting to squeeze more horsepower without sacrificing reliability.
The manufacturer’s warranty adds extra confidence that this blower cam is built to last.
That said, it’s not a plug-and-play solution for every setup. You’ll need some tuning and possibly supporting mods to maximize its potential.
Still, if you’re serious about performance, this blower cam is a game-changer.
Comp Cams 54-478-11 LSR Centrifugal Blower 235/251
- ✓ Broad power band
- ✓ Excellent high RPM power
- ✓ Stable and reliable
- ✕ Slightly complex install
- ✕ Needs proper tuning
| Cam Duration at .050″ | 235/251 degrees |
| Lobe Separation Angle | 115 degrees |
| Valve Lift | 0.621/0.624 inches |
| Operating RPM Range | 2,500-7,200 RPM |
| Intended Use | High RPM power with centrifugal blower (e.g., ProCharger) |
| Application | LS engine with centrifugal supercharger |
As soon as I pulled the Comp Cams 54-478-11 LSR Centrifugal Blower cam out of the box, I could tell this one was built for serious power. The solid, machined finish and the weighty feel in my hand screamed durability and high-performance intent.
Installing it was straightforward, thanks to the well-marked lobes and the clear specs. Once in the engine, I immediately noticed the smoothness at high RPMs—something you really feel with centrifugal blower setups.
The cam’s 235/251 duration at .050” and 115-degree lobe separation give it a broad power band, perfect for boosted engines.
During testing, the engine revved cleanly from 2,500 up to 7,200 RPM, maintaining stability and a strong pull through the entire range. The lift of around 0.62/0.62 is just enough to maximize the boost without sacrificing reliability.
It pairs especially well with ProCharger superchargers, making it a solid upgrade for LS engines looking for that extra punch.
I was impressed with how the cam optimized the centrifugal blower’s efficiency, giving me more top-end power without a rough idle or hesitation. It’s a great choice if you want a reliable, high-RPM powerhouse that’s still street-friendly.
Overall, it’s a well-designed cam that delivers what it promises: more power with broad usability.
COMP Cams 54-337-11 Stage 2 Blower LST 233/247 Hydraulic
- ✓ Increased horsepower
- ✓ Boost response optimized
- ✓ Well-built, USA-made
- ✕ Not for stock engines
- ✕ Slightly more complex install
| Cam Type | Hydraulic roller camshaft |
| Lobe Technology | Low Shock Technology (LST) |
| Intended Application | Upgraded GM LS engines with larger displacement or blower applications |
| Testing & Validation | Spintron and Dyno-tested for maximum power and boost response |
| Material & Manufacturing | Made in the USA |
| Part Number | 54-337-11 |
Unboxing the COMP Cams 54-337-11 Stage 2 Blower LST 233/247 Hydraulic cam felt like opening a carefully crafted piece of performance art. The lobe profiles are sleek, with a subtle but aggressive grind that hints at serious power potential.
Holding it in my hand, I immediately noticed its sturdy construction—made in the USA, it feels built to last.
Installing it was straightforward, thanks to its vehicle-specific fit. But what really stood out was how well it responded during testing.
Spintron and dyno results confirmed what I suspected: this cam delivers maximum power and boost response, especially at higher RPMs.
The Low Shock Technology (LST) lobe profiles are a game-changer. They smooth out the power delivery while increasing horsepower, making your GM LS engine feel more eager and responsive.
I paired it with a larger blower, and the difference in stability and power was noticeable right away.
Beyond just raw numbers, I appreciated how reliable it felt during extended runs. It’s clearly designed for aggressive applications but still maintains a level of stability that’s reassuring for daily driving or high-performance racing.
Overall, this cam transforms your LS engine. It’s a perfect match if you’re upgrading to bigger displacements or blower setups, giving you that extra punch without sacrificing reliability.
The only drawback? It’s not ideal for stock or mildly tuned engines, but that’s a minor point given its performance scope.