Heavy Tow Tune Only for EFI Live Spade LB7 (2001-2004)

$300.00

Heavy Tow Tune Only for EFI Live Spade LB7 (2001-2004) – Optimized Towing Performance
Enhance your towing capabilities with our custom Heavy Tow Tune, designed specifically for the 2001-2004 Chevy Silverado and GMC Sierra LB7. Perfect for those hauling loads over 8,000 lbs up to your truck’s Gross Vehicle Weight Rating (GVWR), this tune ensures maximum power, torque, and reliability while minimizing smoke.

– Optimized for Heavy Loads – Designed to enhance performance while towing over 8,000 lbs.
– Precision-Tuned for Reliability – Fine-tuned calibrations improve power output without compromising vehicle longevity.
– Balanced Power & Efficiency – Maximizes torque for improved towing performance while controlling emissions output.
– Seamless Integration – Developed for compatibility with your EFI Live SPADE AutoCal Hardware.
– Professional-Grade Tuning – Ensures safe and efficient operation, even under heavy towing conditions.

For trucks without performance modifications, check out our 50-State Legal Heavy Tow Tune.

$300.00

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Heavy Tow Tune for EFI Live Spade LB7 (2001-2004)

Why Choose the Heavy Tow Tune?

Optimized for Heavy Towing – Designed to tow up to 8,000 lbs GVW while maintaining reliability.
Increased Power Without Excessive Heat – Gains of +40 RWHP and +72 ft-lbs torque without raising EGTs (Exhaust Gas Temperatures).
Enhanced Driveability – Improved throttle response and revised pedal sensitivity for smoother acceleration.
Air-to-Fuel Ratio Limits – Reduces soot production while maintaining emissions equipment.
Factory Turbo Brake Retention – Ensures full functionality of the stock turbo brake.
Better Trailer Maneuverability – Smoother response at low speeds to prevent lurching while reversing a trailer.

Performance & Specifications

Power Gains: +40 RWHP, +72 ft-lbs torque
Compatible With: 2001-2004 GM Duramax LB7 (EFI Live Spade required)
Emission Compliance: 49-state legal (Emissions equipment remains intact)
Custom Tuning Provider: Motorsports Arsenal provides tuning with over 100+ calibration adjustments
Required Hardware: EFI Live Spade / AutoCal V3 (Standalone Programming And Diagnostic Equipment)

Ideal For:

Heavy-duty towing applications – Suitable for towing equipment, boats, or service rigs.
Professional or frequent haulers – Beneficial for drivers covering 10,000+ towing miles annually.
Challenging terrain – Designed for reliable towing through hills, mountains, and tough inclines.

Required Options

EFI Live Spade / AutoCal V3 – Enables easy ECU flashing and real-time diagnostic logging.
- Flash unlimited updates.
- Supports multiple trucks with separate licenses.
- Includes EFI Live license when purchased from Motorsports Arsenal.

Recommended Transmission Tuning (Sold Separately)

Why Consider TCM Tuning?
- Essential for ECM-tuned trucks to ensure smoother shifting and driveability.
- Helps optimize performance for modified setups, larger tires (35”+), or aftermarket turbos.
- Maintains power delivery within the optimal RPM range while towing.
ZF6 Manual Transmission Support
- While there’s no TCM tuning for the ZF6, ECM tuning is specifically calibrated for smooth power delivery.