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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


159 topics in this forum

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  2. scan gauge 3

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  3. My truck is leaking oil

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  4. Edge CTS3

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  5. E85 Option

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  6. MPG at 600 miles

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