6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)
Technical powertrain discussion specifically for the 2020+ L8T 6.6L Gas V8 engine and MYD 6-Speed HD transmission combination on the 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500
164 topics in this forum
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Here's a great video with the new 10 speed behind the gasser towing a 15k fifth wheel. I'm impressed! 1 2 3
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