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'Understressed on purpose' - GM's 555-HP Mongoose Duramax makes less power per liter than Ford's diesel
Instead of chasing Ford back into the power fight, GM decided to go a different route with its new diesel engine.
Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...
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