Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM has issued a new Service Bulletin.

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 ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...

GM Ecotec engines face timing chain failures, oil consumption issues, and exhaust manifold problems that cost thousands in ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...

Some folks out there on the ‘Net have reported that GM is planning to develop a new 8.3L Duramax turbodiesel engine for use in its various truck models, citing unnamed insider sources. Looking over ...

When we finally got it to the (unnamed) Ford dealership, the mechanics told us the engine was shot, and that we were looking at quite an expensive repair bill. But the engine didn't feel 'shot'.