2004.5-2005 LLY Duramax 50 State Compliant EFI Live ECM Tuning

Calibrated Power Solutions 50 State Legal Emissions Intact EFI Live tuning packages include everything you need to tune your 2004.5-2005 LLY Duramax equipped Chevy Silverado or GMC Sierra 2500 or 3500 HD. Legal for use in the State of California. Does NOT delete or tamper with emissions equipment to get the best performance out of your truck. 

Calibrated Power's LLY Tuning Packages unlock the power potential of your truck.

The factory rated output for the LLY is 310 HP and 520 ft-lbs of torque. This is an improvement from previous models but pales in comparison to the +100 RWHP you'll have access to with custom performance tuning.

Duramaxtuner's tuning options give you the power to tow light or heavy, fun daily driving, and the most performance we can unleash from your engine.  Have the cleanest and most reliable tunes available with the power level you need right at your fingertips. 

Get Single or SOTF LLY 50 State Legal EFI Live Custom Tunes

• Emissions Intact – you do not remove your emissions equipment
• California Legal - CARB Approved, Includes EO Sticker

Do you need DuramaxTuner.com Switch-On-The-Fly (SOTF)?

• Total flexibility to select the power level you need  
• Designed to be safe for your engine and emissions equipment
• Fully customized tuning with more than 100+ calibration changes from stock
• More power and less soot than box programmers
• World Class Customer Service Support from the team at Calibrated Power Solutions / Duramaxtuner!

Sport Tune

• Improved Horsepower & Torque +100 RWHP +180 Ft-lbs
• +100 RWHP + 180 ft-lbs
• Total 410 HP and 700 ft-lbs
• No dead pedal feeling
• Most power & torque you can add while maintaining OEM levels of reliability
• Fast acceleration - Truck feels lighter

• Mix of Fun and Superior Drive-ability
• Love driving the truck every day
• Smooth Power Curve
• Throttle pedal responds exactly how you want
• Retains factory turbo / exhaust brake feature

Street Tune

• Great for Daily Driving
• Smooth power curve that’s fun to drive
• Air-Fuel Ratio limits built into calibration to limit soot production
• Factory turbo brake retains complete functionality

• Horsepower & Torque Increase +80 RWHP + 144 ft-lbs
• Get your truck up and moving more quickly
• More useable power in all driving scenarios
• Have enough power to “Shift Up, Throttle Back”

Light Tow

• Balance between Daily Driving and Towing
  • Smooth power curve that’s fun to drive
  • Custom “SMART EGT Control” will automatically manage your EGTs
  • Air-Fuel Ratio limits built into calibration to limit soot production
  • Designed to tow less than 8,000 lbs.
  • Retains factory turbo / exhaust brake feature

• Horsepower & Torque Increase +60 RWHP +108 ft-lbs
  • Get your truck up and moving more quickly
  • More useable power in all driving scenarios
  • Have enough power to “Shift Up, Throttle Back”

• Revised pedal sensitivity
  • Low speed trailer maneuvering
  • Back up with trailer without lurching

Heavy Tow

• Safe for Towing Heavy
  • Increase power, not EGTs (Exhaust Gas Temperature)
  • Custom “SMART EGT Control” will automatically manage your EGTs
  • Air-Fuel Ratio limits built into calibration to limit soot production
  • Designed to tow 8,000 lbs. up to 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

 Optimized Stock

• Slight revisions to factory calibration
• No significant increase of peak power
• Good for troubleshooting a physical problem with your truck
• Great for when someone else drives your truck

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 trouble shooting and diagnostics
• Flash unlimited number of updates for your truck
• Flash multiple trucks with the same device
• Individual tunes and license required for each new truck
• Up to 600 VIN slots available
• 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

ZF6 Manual Transmission

While the ZF6 Manual Transmission has no electronic controller for us to Calibrate, DuramaxTuner builds their ECM Tuning to work specifically with them. Calibrated Power Solutions understands where to bring the power on in the throttle pedal to keep you shifting smooth and still make more power.