That's a 6.5
Duramax started in 2001. You have a 6.5. Much simpler. Duramax is common rail. Yours has an electronic ip controller that could maybe be tuned.
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What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius
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