1999-2006 Chevy Silverado (Tahoe, Suburban, Yukon, Sierra, 5.3, ETC | Chopacabra Cam Pre-Written Tune Files | HP Tuners, Pre-Built Tune Files | HP Tuners Required

Pre-Built Tune File for 1999–2006 Chevy Silverado 5.3

Texas Speed Chopacabra Cam Compatible

This tune file is built specifically for 1999–2006 Chevy Silverado 1500 trucks equipped with the Texas Speed Chopacabra camshaft. It’s designed to deliver clean startup, reliable idle, and baseline drivability—making it ideal for fresh cam installs that need to run smoothly right out the gate.

No generic maps or guesswork—just proven calibration based on real-world experience with this aggressive cam combo.

Tune Highlights:

⚙️ Optimized for Texas Speed Chopacabra camshaft characteristics

🚗 Delivers solid startup and idle for basic drivability

🛠️ Requires HP Tuners for flashing and further refinement

Note: This is a base map, not a final tune. Additional tweaking may be needed based on mods, altitude, fuel, and specific build details.