While many often rate the LB7's three-year run as some of the best years for the Duramax, the LB7 has one common and potentially troublesome issue: the fuel injectors. The common-rail system ...

Only available in the Chevrolet Silverado and GMC Sierra, the LML was the most emissions-efficient Duramax engine to date thanks to its upgraded fuel injectors and oil pump; the addition of diesel ...

In addition to a turbocharger and intercooler, the LB7 Duramax was equipped with the Bosch Common Rail Injector and used lightweight aluminum alloy cylinder heads. Perhaps the automaker’s best ...