The LML engine got a major overhaul in 2011, compared to the previous LMM Duramax engine. It featured nearly 60% freshly designed parts, only leveraging a portion of the previous engine design. Up to this point, all of the previous Duramax’s had some internal weaknesses and common problems with bending rods and cracking pistons. The... The post Duramax LML vs. LMM Engine Differences appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado