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When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

When General Motors decided to make a diesel engine a permanent part of its light-duty truck lineup in 1982, it partnered with Detroit Diesel for a 6.2-liter V8 rated at 130 horsepower and roughly 240 ...

Why is your Chevy Silverado's Duramax MPG disappointing? Before you blame the truck, let's look at the real reasons and simple fixes for your fuel economy. I came across an interesting post from Joe ...

General Motors has issued a new Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve. Owners may notice that their ...

General Motors has enjoyed many collaborations, but for diesel heads, the most iconic and industry-shaping was with Isuzu. At the turn of the new millennium, the two companies partnered together to ...

GM has issued a Service Update that applies to certain units of GMC full-size trucks and SUVs, including the Sierra, Yukon, and Yukon XL, which is related to an ECM software update. For GMC models, it ...

If you have a Chevrolet Silverado or another GM vehicle with a 10-speed transmission that's failed, the wait to get it fixed could be months away. Stephen Provenza on the 2025 Chevy Silverado & GMC ...

General Motors is recalling 597,630 of its full-size U.S. trucks and SUVs because the vehicles' V8 engines can fail during use, raising the risk of a crash. Manufacturing defects in the connecting rod ...

Recalls are a common occurrence for automakers but new info regarding GM's V8 engine is raising eyebrows. The American 'big three' automaker is battling a class action lawsuit filed on behalf of a GMC ...

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