Six-Five Revive

Diesel tuning before GM went Duramax

Published in the August 2008 Issue August 2008 Column

For every Chevy/GMC 6.5L turbo-diesel owner who has ever been told he needs to just trade in that old 6.5 and buy a new Duramax or Cummins, this one goes out to you.

It seems as though most of the diesel community just doesn't care about this aging fleet of diesels. Finding a company that is willing to help you solve a problem on your 6.5L is hard enough and finding one that has anything performance-oriented seems like a lost cause. Yet through all of the hardships of owning a 6.5L diesel there is a company that is not only willing to help you with your early-GM diesel, they actually specialize in these vehicles. Heath Diesel, located in Ellensburg, WA, is one of the only diesel shops in the country dedicated to the 6.5L turbo-diesel. They carry almost every upgrade possible for these vehicles. Whether you're needing towing upgrades or just wanting to help your vehicle get a little more respect from late model owners, this is the place to go. Heath Diesel is so passionate about these vehicles that almost every employee at the company drives one. We decided to take a look at a 1995 Chevy K2500 truck they told us about to see just how far it is possible to take a 6.5L.

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