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 ...
Forum Discussion
BurbMan wrote:
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.
Pretty sure the 6L90E wasn't available in the Express until the 2010 model year.
I would prefer the 4L85E anyway, TCM not cooking inside the oil pan.
