Heavy Tow Tune Only for EFI Live Spade – LML (2012)

$300.00

Heavy Tow Tune Only for EFI Live Spade – LML (2012) – Maximum Towing Power with Unmatched Reliability
Enhance your 2012 Chevy Silverado or GMC Sierra’s towing performance with our expertly calibrated Heavy Tow Tune. Designed for those hauling over 8,000 lbs up to the vehicle’s GVWR, this tune optimizes power, torque, and reliability while minimizing smoke output—delivering the safest and most efficient heavy towing experience.

– Optimized for Heavy Towing: Specifically tuned for loads exceeding 8,000 lbs up to your truck’s GVWR.
– Enhanced Power & Torque: Ensures smooth and capable towing performance without compromising reliability.
– Precision-Tuned Calibrations: Fine-tuned adjustments balance power, efficiency, and smoke control.
– EFI Live Spade Compatibility: Designed exclusively for use with your existing EFI Live SPADE AutoCal hardware.
– Reliable, Safe Performance: Engineered to protect your engine and drivetrain under heavy loads.

Note: If your vehicle remains unmodified, consider our 50 State Legal Heavy Tow Tune for compliance and optimized performance.

$300.00

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Heavy Tow Tune for EFI Live Spade – LML (2012)

Why Choose the Heavy Tow Tune?

Safe for Heavy Towing – Engineered specifically for trucks towing up to 8,000 lbs GVW.
Optimized Power Without Excess Heat – Increases power while keeping Exhaust Gas Temperatures (EGTs) under control.
SMART EGT Control – Automatically manages EGTs for consistent performance.
Efficient Air-Fuel Ratio – Calibration prevents excessive soot production.
Retains Factory Turbo Brake Functionality – Ensures reliable braking performance while towing.

Performance & Specifications

Power Gains: +40 RWHP, +72 ft-lbs torque
Compatible With: 2012 LML Duramax (EFI Live Spade required)
Emissions Compliance: 49-state legal (emissions equipment remains intact)
Revised Pedal Sensitivity: Enhances control for low-speed trailer maneuvering, reducing lurching when backing up.

Benefits & Driving Experience

Enhanced Towing Capability – Improves throttle response, making it easier to pull heavy loads.
Optimized Gear Management – Allows towing at lower RPMs and ensures a smooth shift-up experience.
Improved Fuel Efficiency – Compared to stock configurations, better performance with less fuel waste.

Who Benefits from This Tune?

Professional drivers – Ideal for those who tow frequently or rely on their truck for work.
Boat & Equipment Owners – Suitable for hauling large boats, construction equipment, or service vehicles.
Heavy-Duty Applications – Designed for trucks that tow over 10,000 miles annually and frequently encounter steep inclines.

Required Equipment

SPADE / EFI Live AutoCal V3 Required
- Handheld OBD flashing (programming) hardware.
- Scan tool for troubleshooting and diagnostics.
- Supports multiple tunes and updates.
- EFiLive License included when purchased from Motorsports Arsenal.
- Additional license required if using hardware from another vehicle.

Recommended Transmission Tuning (TCM Tuning Sold Separately)

Enhance your truck’s performance with TCM tuning (optional but highly recommended):

Works alongside ECM tuning for smoother shifting and better driveability.
Torque converter lock-up strategy ensures efficient power delivery.
Improves clutch durability with increased line pressure.
Keeps your truck operating within its preferred rev range, especially beneficial for trucks with:
- Custom ECM tuning
- Larger tires (35″+)
- Turbo modifications
- Built transmissions

Warning

This product contains chemicals known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov. Motorsports Arsenal provides expert tuning solutions to optimize your truck’s performance while maintaining reliability and compliance.