Duramax Tuner LB7/LLY Spade Series Jack


2001-2005 GM 6.6L Duramax LB7/LLY
Manufacturer: Duramax Tuner
Mfg. Number: DUJACK
XDP Part Number: DUJACK

Product Options

* denotes required field

VIN Number*
Tire Size*
DSP Tuning Options
Other Than Stock Injector Make & Size
Other Modifications
Spade Switch Options*

XDP $5 Pricebeat Guarantee

The SPADE series (Standalone Programming And Diagnostic Equipment) makes the highest quality tunes on the market available in a simple to use OBD style flash tool. The tunes represent the best in drive-ability, reliability, and power. The SPADE system is the first hardware to ship pre-loaded with tunes of this caliber. No emailing, laptops, or learning curves needed. Each SPADE has the ability to tune up to eight vehicles (with up-charges per each vehicle).

In addition to simplifying the programming process, the SPADE series has the ability to run diagnostics and log data for analysis. In a custom tune refinement situation this logged data can be sent to a DuramaxTuner.com rep to facilitate changes or aid with troubleshooting. Updated tuning files can be sent remotely in the same manner as logged data, making the SPADE tunes field upgradeable.

 Jack – The Jack tunes are aimed at your stock transmission and stock turbo. Tunes range from 320rwhp to 440rwhp

Custom Information:
When it comes to custom tuning, it’s important that we know all the information about your truck to provide you with the best tunes for your application. You’ll see several text boxes above that require specific details about your truck. Follow the guide below to help explain the questions above.

  • Vin Number: Please enter your 17 digit VIN number in UPPERCASE letters & numbers.
  • Tire Size: If stock, simply put “Stock”. If your tires are larger than factory please enter the tire size found on your tire. 
  • Turbocharger: If stock, enter “stock”. If aftermarket, please enter the make and model of your current turbocharger.  
  • Injectors: If other than stock, please enter size and brand. 
  • Other Modifications: Describe any other alterations to your engine, exhaust or emissions system that we should be aware of.  
Tune Details:

1. Optimized Stock:
  • Power output near stock
  • Refined timing tables for lower EGTs and higher efficiency

2. Heavy Tow Tune:

  • -+40 rear wheel horsepower over stock
  • Refined timing table for lower EGTs
  • Throttle pedal revised for simplified low speed trailer maneuvering
  • Built for towing loads from 8000lbs to gross vehicle weight

3. Light Tow Tune:

  • -+60 rear wheel horsepower over stock
  • Refined timing table for lower EGTs
  • Throttle pedal revised for simplified low speed trailer maneuvering
  • Built for towing loads under 8000lbs

4. Sport Economy:

  • -+80 rear wheel horsepower over stock
  • Best balance of power reliability and efficiency for unloaded daily driving
  • Throttle sensitivity increased for less throttle input, quicker shifting and less average RPM in daily driving situations
  • Revised boost table for less back pressure during highway cruise 

5. Stock Trans Race Tune:

  • -+100 rear wheel horsepower over stock
  • Maximum horsepower tune for stock transmission
  • If abused, has the potential to shorten the life of your stock transmission
  • Typically will run mid 14's near 93 MPH on a truck setup for drag racing

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