Duramax with Hydra-Matic a good combo?
i am used to the duramax and Allison combo in my 2005 Silverado and love it. I need more passenger room. I'm looking at a 2008 express with the duramax hydramatic combo. I know it's not as good as ...
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I believe that an 08 will have the newer 6L90E six speed transmission behind the DMax. Yes the DMax is detuned vs the truck versions with the Allison transmission.
