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What counts as high mileage on a 6.6 Duramax?
High mileage on a 6.6 Duramax is less about a single scary number on the odometer and more about how that number lines up with the engine’s design, maintenance history, and known weak spots. The same ...
General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...
GM’s new 8.3L Duramax Mongoose is coming for 2027. Here are five things we know about the massive diesel V8—and five we still don’t.
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