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how bad did your MPG go down since 3.9 FD install

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Old 05-14-2006, 09:42 PM
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o snap its eric
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Default how bad did your MPG go down since 3.9 FD install

what was your MPG before and after. Im talking about regular daily driving.
Old 05-15-2006, 05:07 AM
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Z CRUZN
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I dropped about 3-4 mpg after install over a year ago.......that's an overall drop with both highway & city driving over a week or so time. Of course, I keep my foot in the throttle a lot - ha!

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Old 05-15-2006, 05:22 AM
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MI 35th
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from around 24 before to about 19 mpg after!
Old 05-15-2006, 08:17 AM
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thats insane
Old 05-15-2006, 08:18 AM
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my difference is i dont regular drive anymore!!!

you will see probably 2-3 mpg loss at most, i drive my Z harder and more spiritedly now i have the FD, its a better car, cant wait for FI then ill drive slow again!
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