TSP “Chopacabra” Truck Camshaft

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.