Heavy Tow Tune Only for EFI Live Spade – LML (2014)

$300.00

Heavy Tow Tune Only for EFI Live Spade – LML (2014) – Optimized Towing Performance
Maximize your 2014 Chevy Silverado or GMC Sierra’s towing capability with our Heavy Tow Tune for EFI Live SPADE AutoCal Hardware. Designed for optimal power, torque, and reliability, this tune is perfect for hauling loads over 8,000 lbs while staying within your truck’s GVWR (Gross Vehicle Weight Rating).

– Enhanced Towing Power: Calibrated for maximum performance when hauling heavy loads.
– Optimized Torque Delivery: Ensures smooth and efficient power distribution under load.
– Reduced Smoke Output: Fine-tuned adjustments minimize unnecessary emissions.
– Reliable Performance: Engineered for long-lasting vehicle health and durability.
– Designed for EFI Live Spade AutoCal: Compatible with your existing tuning hardware.

Looking for a 50-state legal option? Explore our compliant Heavy Tow Tune.

$300.00

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Why Choose Motorsports Arsenal Heavy Tow Custom Tune?

Designed for heavy towing—safe up to 8,000 lbs. GVW.
Maintains factory emissions equipment—49-state legal.
SMART EGT Control automatically manages exhaust gas temperatures.
Built-in air-to-fuel ratio limits reduce soot production.
Keeps factory turbo braking fully functional.
Real-world tested for durability and reliability.

Performance Gains

Horsepower & Torque Increase:
- +40 RWHP, +72 ft-lbs TQ
Improved Towing Experience:
- Effortlessly get your trailer moving faster.
- Hold gears longer for better control while hauling.
- Enough power to shift up and throttle back with confidence.
Revised Pedal Sensitivity:
- Smoother low-speed maneuvering.
- Prevents lurching when backing up with a trailer.

Who Benefits from This Tune?

Over-the-road drivers or those who tow for a living.
Owners of large boats, construction equipment, or welding rigs.
Heavy-duty service trucks, tow trucks, or haulers towing 10,000+ miles yearly.
Drivers frequently towing in hilly or mountainous terrains.
Those looking for a balance between power and efficiency while towing.

For lighter loads or better fuel economy, consider our Light Tow Tune!

Custom Tuning by DuramaxTuner.com

Over 100+ calibration improvements for optimized performance.
No wire splicing or tampering with fuel/turbo sensors.
Delivers more power with less soot than traditional box tuners.
Backed by a dedicated customer service team ready to assist when needed.

Required Equipment

SPADE / EFI Live Autocal V3
- Simple, user-friendly handheld OBD flashing device.
- Scan tool functionality for engine diagnostics and troubleshooting.
- Supports unlimited tuning updates for a single vehicle.
- Can be used on multiple trucks (additional licenses required per vehicle).
- Comes with an EFI Live License when purchased through us.

Already own the hardware? Provide your device’s Serial Number and Auth Code for activation.

Recommended Transmission Tuning (TCM Tuning Sold Separately)

Why Upgrade Your Transmission Tuning?
- Works in sync with ECM tuning for smoother shifts and better drivability.
- Ensures torque converter lock-up for putting power where you need it.
- Increases clutch-holding capacity with higher line pressure.
- Prevents premature short-shifting in high-performance applications.
Essential for Trucks With:
- Custom ECM tuning
- Larger tires (35”+), aftermarket turbos, or built transmissions
- Any modifications affecting operating RPMs

Towing & Performance Benefits

Keep your truck in the ideal powerband while towing.
Enjoy quicker shifts—spend less time between gears and more time putting power down.
Optimize performance parts with a properly calibrated transmission.

Compliance & Safety

Legal Disclaimer: 49-state compliant.
California Residents: This product contains chemicals known to cause cancer. Visit www.P65warnings.ca.gov for more details.