GM 6.2 and 6.5 Liter Diesel Engines: How to Rebuild

In the late 1970s and early 1980s, considerable pressure was on Detroit automakers to increase the fuel efficiency of their automotive and light-truck lines. While efficient electronic engine controls and computer-controlled gasoline engine technology were still in the developmental stages, the efficiency of diesel engines was already well documented during this time period. As a result, General Motors added diesel engine options to its car and truck lines in an attempt to combat high gas prices and increase fuel efficiency. The first mass-produced V-8 diesel engines of the era, the 5.7-liter variants, appeared in several General Motors passenger-car models beginning in 1978 and are often referred to as "Oldsmobile Diesels" because of the number of Oldsmobile cars equipped with this option. This edition faded from popularity in the early 1980s as a result of falling gas prices and quality issues with diesel fuel suppliers, giving the cars a bad reputation for dependability and reliabil