6L80/6L90 Tuning How-To using HPtuners!
8:24
GM 6L80 Transmission Tuning Tips | HP Tuners
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Teaching Mr. Sam how to tune using HPtuners!
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4L60e Tuning How-To + Truck Norris Dyno Tune! Gen 3 Tuning on HPtuners
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117: Got an LS? Here’s How to Get the Most Out of Tuning It. [#PODCAST]
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Base tune for GM V8 trucks and SUVs #hptuners #doddelete #silverado
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Adding TUTD Sport shift to the 6L80 6L90
19:00
The BEST Gen 3 Channels for HPtuners
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