In years gone by, the LLY variant of Duramax turbodiesel V8 powered vehicles such as the Chevrolet Silverado HD and GMC Sierra HD.
The Duramax diesel engine has seen quite a few changes over the years. Here's what separates some of the most popular versions from each other.
The Duramax 6600 (6.6L V-8) was introduced in 2001 and was developed in a partnership with GM Powertrain and Isuzu Motors. Since its introduction, more than 650,000 6.6L Duramax diesels have been ...