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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Its the same transmission that is behind the 8.1 gas engine and does a fine job. Just service regurly and watch the heat and all is good.
