TSP Blower LT1/LT4 3-Bolt - No VVT
TEXAS SPEED & PERFORMANCE
TSP Blower LT1/LT4 3-Bolt - No VVT
Unleash the full performance potential of your Gen 5 LT engine with the TSP 6.2L LT1/LT4 3-Bolt Camshaft - VVT Delete. Designed for serious horsepower builds, this camshaft eliminates the factory VVT system and replaces it with TSP’s precision-engineered 3-bolt cam gear setup—guaranteeing rock-solid timing and hassle-free installation.
Camshaft Specifications
- Cam Type: Supercharger Camshaft
- Cam Specs: 227/239 .646"/.631" 115 LSA, 112 ICL
- Fuel Lobe: +32% for increased fuel delivery
- Bolt Pattern: 3-Bolt – VVT Delete Configuration
Technical Highlights
- Eliminates factory VVT system – No phaser limiter required
- Requires DOD/AFM delete kit (cylinder deactivation not supported)
- Recommended for use with TSP .660" dual spring kit with PAC springs & titanium retainers
- Best paired with TSP hardened chromoly pushrods
- Ideal for use with higher stall torque converters in automatic applications
- Produces a healthy lope at idle for aggressive sound and performance
Performance & Compatibility
Developed using Texas Speed's advanced SuperFlow 902 engine dyno, this camshaft is optimized for maximum horsepower across the entire RPM range. The +32% fuel lobe ensures ample fuel delivery, while the 3-bolt configuration eliminates misalignment and common installation issues.
Every TSP camshaft undergoes rigorous dyno testing on a stock 6.2L LT1 engine platform to ensure reliability, performance, and proper piston-to-valve clearance. This is a proven setup—not just theory—engineered to deliver exceptional power gains without compromising drivability or engine safety.
| Chop Level | Some chop |
|---|---|
| Valve Spring Compatibility | Upgraded valve springs required |
| Lobe Separation Angle | 115 |
| Pushrod Compatibility | Chromoly pushrods required |
| Duration | 227/239 |
| Overlap | 3 degrees |
| Tune Required | Tune required |
| Lift | .646/.631" |