Tips From The Garage

When it comes to GM’s heavy-duty light trucks over the last 20 years, two things have remained constant, the 6.6L Duramax and the Allison transmission. While they have been refined over the years, the … read more

For truck lovers and automotive enthusiasts alike, the L5P Duramax was a big, big deal.When this diesel engine was poised to debut in a completely redesigned GM Heavy Duty line of pickups, the rumor w … read more

There’s nothing quite like the original, and that’s exactly why the Duramax LB7 is one of the most notable diesel engines in the history of the Silverado / Sierra HD lineup. This motor is the first di … read more