GM 6.6L Duramax Diesel V-8 Engines: How to Rebuild and Modify

By the late 1990s, General Motors realized that its old Detroit Diesel engine, which had been designed 20 years earlier, was due for a major update. The Detroit Diesel engine was never intended to be a serious horsepower or torque monster. It was just a steady and reliable workhorse that made credible power, met emissions standards, and achieved decent fuel economy. As Ford and Dodge released new designs of their Power Stroke and Cummins engines, respectively, General Motors needed to follo...