LBZ-LML 6 Speed Allison TCM (Transmission) Tuning

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LBZ-LML 6 Speed Allison TCM (Transmission) Tuning


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Improved Driveability, Better Shift Feel

Eliminates excessive part/full throttle defuel and improves Torque converter clutch engagement 

Second or 3rd gear start for Sled Pulling





Using TCM tuning in conjunction with our ECM tuning yields the ultimate combo for consistency and driveability.  Our updates improve torque converter clutch engagement routines, improve shift feel and minimize defuel.  This product is recommended on all 2006-2010 Duramax trucks equipped with the six speed Allison trans.

Trans tuning is especially helpful when larger turbochargers are added to these trucks because the usable RPM range is shifted up. Engine speeds where a stock turbocharger would be happy, may become laggy, smokey, or hot on the pyrometer after switching to a larger turbo. Tuning the transmission on these trucks is the best tool available for making sure the engine is operating within its preferred rev range.

Trans tuning yields less smoke, lower EGTs, better throttle response, less turbo lag, and quicker track times. Transmission controller is located on the drivers side of the radiator shroud of all Duramax powered GM's.

This product may be added to any SPADE order, or purchased by anyone using an EFILive Flashscan V2 to tune their truck. Alternatively, a physical TCM module may be sent with payment of additional core charge.   Please fill in the mandatory VIN field and Turbo type fields.

*Includes: TCM tuning

** Can be added to SPADE tuning products without need for additional license or core charge


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