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General Discussion
Best Duramax programmer for mileage
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<blockquote data-quote="crowemechanical" data-source="post: 719034" data-attributes="member: 13862"><p>I got a 12 and deleted it with turbo back 4" exhaust with a muffler and EFI live with the trans tune and am very pleased with it. Went back and added the fast lift pump and it helped mileage even more. On everyday driving average 17. Have gotten 21 with mostly interstate driving on trips. Last week pulling 30' gooseneck with two Jeeps to Caryville TN got 13 doing the math.</p><p> I will say for everyday driving the trans tune shifts a lot more then I like but I like the way it shifts towing better and since I don't use it much for everyday driver the trade out is worth it</p></blockquote><p></p>
[QUOTE="crowemechanical, post: 719034, member: 13862"] I got a 12 and deleted it with turbo back 4" exhaust with a muffler and EFI live with the trans tune and am very pleased with it. Went back and added the fast lift pump and it helped mileage even more. On everyday driving average 17. Have gotten 21 with mostly interstate driving on trips. Last week pulling 30' gooseneck with two Jeeps to Caryville TN got 13 doing the math. I will say for everyday driving the trans tune shifts a lot more then I like but I like the way it shifts towing better and since I don't use it much for everyday driver the trade out is worth it [/QUOTE]
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Best Duramax programmer for mileage
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