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Old 09-18-2010, 08:38 PM   #3 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
Thanks: 120
Thanked 56 Times in 52 Posts
Check out tdiclub.com they know their stuff.
Ironicly, with a diesel the same things that make power also make economy.
The synthetic is a good call, keep up with the fuel filter and add "Pri-D" on a continual basis in the south to combat water/algea issues.
Staying in top gear as much as possible hurts less than with a gasser. They like a bit ov load versus reving hi.
Diesels are slow off the line, but do better in a roll on.
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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