Heavy Tow Tune Only for EFI Live Spade LLY (2004.5-2005)
Our custom Heavy Tow tune is the safest way for those who tow big, tow heavy, or tow a lot. What's heavy? Over 8,000 lbs and up to your truck's 2004, 2005 Chevy Silverado or GMC Sierra GVWR (Gross Vehicle Weight Rating). Our fine tuned calibrations expertly optimize for power, torque, smoke and vehicle reliability. This Heavy Tow Tune is for your existing EFI Live SPADE AutoCal Hardware. Haven't made performance modifications to your truck? Check out our 50 State Legal Heavy Tow Tune
As low as $300.00
In stock
Our Heavy Tow Custom Tune
- Emissions Intact – you do not remove your emissions equipment
- 49 State Legal!
- Haven't made performance modifications to your truck? Check out our 50 State Legal Heavy Tow Tune
- Safe for Towing Heavy
- Increase power, not EGTs (Exhaust Gas Temperature)
- Air:Fuel Ratio limits built into calibration to limit soot production
- Designed to tow 8,000 lbs – GVW
- Factory turbo brake retains complete functionality
- Horsepower & Torque Increase +40 RWHP, +72 ft-lbs
- Get your trailer up and moving more quickly
- Lug in the gear you want while towing
- Have enough power to “Shift Up, Throttle Back”
- Revised pedal sensitivity
- Low-speed trailer maneuvering
Back up with trailer without lurching
- Low-speed trailer maneuvering
- Custom Tuning from DuramaxTuner.com
- Fully customized tuning with more than 100+ calibration changes from stock
- No hacking wires into control units or fuel pump and turbo sensors
- More power and less soot than box programmers
- World Class Customer Service team that actually answers the phone!
Who Benefits from this Tune?
- Over-the-road driver or tows things for a living
- Large boat owners
- Pulls construction equipment
- Welding rig with lots of added weight
- Need to tow in the toughest situations
- Tow trucks and heavy service trucks
- Tows 10,000 miles or more every year
- Tows through hills, mountains, and inclines
- You can use this to tow lighter, but you'll get slightly better MPG with our Light Tow tune
- Better yet, get all five of our custom tunes with Switch on the Fly
Required Options
SPADE / EFI Live Autocal v3 Required
- SPADE (Standalone Programming And Diagnostic Equipment)
- a.k.a. EFILive AutoCal V3
- Simple to use, handheld OBD flashing (programming) hardware
- Scan tool – Log engine data for troubleshooting and diagnostics
- Flash unlimited number of updates for your truck
- Flash multiple trucks with the same device
- Individual tunes and licenses are required for each new truck
- Up to 600 VIN slots are available
- EFiLive License is included when purchasing hardware from us
- If you already have the hardware from another vehicle you will need an additional license and we will need the Serial Number and Auth Code for your device.
Recommended Transmission Tuning
Why do you need TCM Tuning?
- Works with ECM Tuning to provide smooth shifting and superior drive-ability
- Required for the best possible drive-ability
- TCM Tuning is the best tool to ensure your engine is operating within its preferred rev range
TCM Tuning is especially important for trucks with:
- Custom ECM Tuning
- Larger tires (35”+)
- Modified turbo(s)
- Built transmission
- Any modification that impacts operating RPMs
Towing
- Use the wider torque curve provided by ECM Tuning
- Keep your truck in its power band when lugging up a grade
Performance
- Optional 2nd or 3rd Gear Start for competition applications
- Optimize your aftermarket turbocharger performance
ZF6 Manual Transmission
While the ZF6 Manual Transmission has no electronic controller for us to Calibrate or Tune, we do build our ECM Tuning to work specifically with them. We understand where to bring the power on in the throttle pedal to keep you shifting smooth and make more power when you need it.
Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov