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2020 Sierra HD reveal


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They must have running versions of these engines out there, are they getting the desired results? I'm just interested, not bashing, seems to me we would have heard something in the  past by this time, for a new realize of an engine, I don't know...

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On 1/26/2019 at 11:38 PM, SilveradoX2 said:

GM is putting $22 million into the engine plant in Tennessee that makes the 6.2L.  Could be where the 6.6L will be made. 

I don't know about the 6.6 but Barra told a group at the plant that the engine line will be putting DFM onto the 6.2L so that is some of the investment.

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3 hours ago, sk said:

I don't know about the 6.6 but Barra told a group at the plant that the engine line will be putting DFM onto the 6.2L so that is some of the investment.

More reason to stay with a diesel, like an AT4 HD.  Yep, that'll work.

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