Texas Speed Stage 3 Cathedral Camshaft - Torquer V4 (TSP-TQRV4) - LS1, LS2 & LS6 Engines
Take your cathedral-port LS build to the next level with the Texas Speed Stage 3 Torquer V4 Camshaft. Designed for enthusiasts looking for serious naturally aspirated performance, the Torquer V4 delivers impressive horsepower gains, aggressive sound, and a broader powerband than previous Torquer camshaft designs.
The Torquer V4 features a more aggressive intake lobe profile and refined camshaft design that allows power to come in earlier while still increasing peak horsepower over the popular Torquer V2 setup. Designed specifically for cathedral-port LS1, LS2, and LS6 engines, this camshaft delivers excellent street and strip performance while maintaining enough drivability for properly tuned street applications. With aggressive idle chop and strong mid-range to top-end pull, the Stage 3 Torquer V4 is an excellent choice for high-performance LS combinations.
Camshaft Specifications
- Duration @ .050: 231/234
- Lift: .629/.615
- Lobe Separation Angle: 111 LSA
Features
- Stage 3 cathedral-port performance camshaft for LS engines
- Improved peak horsepower and broader powerband over the Torquer V2
- More aggressive intake lobe design for enhanced performance
- Strong mid-range and top-end power characteristics
- Aggressive idle chop and performance-oriented sound
- Estimated power gains of 55-60+ horsepower
- Designed for LS1, LS2, and LS6 cathedral-port engines
- Compatible with stock untouched cylinder heads
- No known piston-to-valve clearance issues on untouched heads, though checking clearance is always recommended
- Custom tuning required after installation
Recommended Supporting Modifications
- Recommended valve springs: TSP/PAC Dual .660 Valve Springs
- Recommended compression ratio: 10.5:1 or higher
- 3200+ RPM aftermarket stall converter recommended for automatic applications
- 3.23 minimum rear gear recommended
- 3.42 or steeper rear gears recommended for maximum performance
Operating Range
Recommended operating RPM range: 2200-7000 RPM
Drivability
Manual transmission applications may experience slight bucking or surging at low speeds but remain streetable with proper tuning. Automatic-equipped vehicles with a quality stall converter will maintain excellent drivability while fully utilizing the camshaft’s power potential.
Fitment
- Cathedral Port LS1 Engines
- Cathedral Port LS2 Engines
- Cathedral Port LS6 Engines
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