TSP "Chopacabra" Truck Cam
TEXAS SPEED & PERFORMANCE
CAM SPECS
- Duration: 214/222
- Lift: .550/.550
- LSA: 108
- ICL: 106
The TSP CHOPacabra Truck Cam is designed for cathedral-port LS truck combinations looking for an aggressive idle without requiring an aftermarket stall converter. Developed to work with GM LS6 beehive valve springs and a factory torque converter, the CHOPacabra provides a strong combination of street drivability, low-RPM response, and a pronounced camshaft chop.
APPLICATION & REQUIREMENTS
- Best Suited Engines: 4.8L, 5.3L, 5.7L, and 6.0L engines equipped with cathedral-port cylinder heads
- Recommended Compression Ratio: 9.5:1+
- Recommended Valve Springs: GM LS6 Beehive Valve Springs
- Aftermarket Stall Converter Required: No - Factory converter friendly
- Upgraded Rear Gear Required: No
- Operating RPM Range: 1200-6500 RPM
- Drivability: Street-friendly drivability with an aggressive chop
DYNO PERFORMANCE
Dyno Test Motor: Stock Gen IV 5.3L, stock 862 cylinder heads with GM LS6 valve springs, and a TBSS intake manifold.
VIDEOS
Note: Dyno results are based on the listed test combination. Actual horsepower, torque, idle quality, and drivability will vary depending on engine configuration, supporting modifications, exhaust, and tuning.
| Chop Level | Choppy |
|---|---|
| Valve Spring Requirement | Upgraded valve springs required |