The rumor mill starts here. I dont know if this is true or not. But I heard chevy is going to put cummnis motors in 07. Now isnt cummins owned by ford. If thats true then we will have a ford motor in a chevy truck.
Pretty much what Diesel Nut said. I don't see GM dumping the Duramax. It's done a great job for them, despite some issues it has been a very successful engine. I would be more worried about the Cummins going away.GM is in negotiations with Chyrsler/Mercedes to purchase Dodge. I see a Cummins with an Allison forthcoming.