The question we hoped to answer with this project back in 1997-99 was whether a properly equipped 6.5TD could provide towing performance comparable to a " stock" 1999 model-year 7.3L Ford Powerstroke and Dodge ISB Cummins. At the time this series began, Ford & Dodge set the standards for diesel towing power, and many 6.5 owners were looking for ways to improve the towing performance of their GM trucks. Note: The 6.5TD Power Project series began in late 1997, and was completed by mid 1999. This and other performance tests have proven that the 6.5 could compete while pulling heavy trailers, and could easily outrun a stock 1999 Ford & Dodge while running solo. In 1999, we compared a properly equipped 6.5L Turbo Diesel to both a stock 1999 Dodge ISB Cummins and Ford Super Duty Powerstroke during our first annual Pull-Off, which included a 10,000-lb trailer and a 6% grade. ![]() That being, if you added the right equipment, the 6.5TD could provide competitive levels of performance. 5TD Power Project came from this same thought process. ![]() They immediately said that with modifications, their trucks could equal a " stock" Duramax 6600 powered GM pickup truck. The Duramax 6600's arrival in the fall of 2000, with its class-leading power and torque, created quite a buzz among Ford and Dodge owners. 6.5L Turbo Diesel Power & Performance Project
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