3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

18-037-04

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Old 11-23-2004, 08:27 PM
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Thumbs up 18-037-04

Just had the flash done I was getting 13-14 mpg every where I went. I picked it up last night and drove 20 miles of back roads and got 19 (ohc) , came back interstate and got 17.5-18 at 70mph. Correct me if I'm wrong but I thought someone on here said that after having this done , you would lose some HP? I can't tell any difference. Sorry guys I put this in the wrong forum,don't know how to move it .
Old 11-24-2004, 11:43 AM
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Go to the forum "suggestions, comments, and questions" and ask the moderators to move it for you. As far as I know only a moderator can move a thread.
Old 11-24-2004, 06:20 PM
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Movin' on down.


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Old 11-25-2004, 08:07 AM
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I had the flash done a week ago. Don't have mileage numbers yet and didn't notice any difference in the way it runs.
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