The 3.0L I6 LZ0 Duramax makes more power and torque than the LM2 that it replaces. That said, it isn't without it's faults, as highlighted in a new video.
High-mileage GM SUVs are increasingly showing up in repair shops with timing chain problems that often catch owners off guard. Models equipped with V6 engines like the 3.6L have built a reputation for ...