For decades now, the big three American automakers have been engaged in a game of one-upmanship over which company can fit the most powerful and torquiest diesel engines in their trucks. And, just as ...
General Motors and heavy-duty trucks go a long way back. For the time being, the Chevrolet Silverado HD and its GMC-branded twin do the heavy lifting for the Detroit-based automaker. The Silverado HD ...
GM's famously durable 6.6-liter Duramax diesel V-8 comes from the factory with aluminum cylinder heads, but for some owners, cast-iron is the better option.
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