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Thread: MPG before and after airbox mod!!

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    Regular Member R-ford_Vec_C's Avatar
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    Default MPG before and after airbox mod!!

    Hey guys, what kind of difference in MPG did you get after you did the airbox mod, Im not a fast driver by any means, but its good to know i'v a little more torque if needed.

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    Regular Member old cruiser's Avatar
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    To be honest mate mine seemed to go up, but only slightly as when I first got it, best I got before was about 28mpg and now it sits at about 30, so as said not a great deal of improvement ,but combined with smoother rev range performance and slightly better mpg it is a worthwhile mod' in my opinion.
    Cheers Pete

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    Regular Member R-ford_Vec_C's Avatar
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    UP!!!! I was expecting a decrease in MPG!!!

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    Full Member neverlandandy's Avatar
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    Vehicle : Insignia Elite Nav

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    don't think iv noticed any gain in mine either bhp or fuel econemy

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    Regular Member old cruiser's Avatar
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    Quote Originally Posted by R-ford_Vec_C View Post
    UP!!!! I was expecting a decrease in MPG!!!
    Yep, Up!! I know, I was expecting the same thing at the time for it to go down!, done this mod' about 18 months ago now and still sits around that 30 mpg mark, maybe the fact it's now running a tad more efficient
    Cheers Pete

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    Regular Member dolf.peeters's Avatar
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    as I said in http://www.vectra-c.com/forum/showthread.php?t=111697 I should be able to comment tomorrow or day after on th mpgs

    the car does feel smoother and more responsive since doing it but I also cleaned the boost valve at same time, so I couldnt be sure which is responsible for the improvements noticed

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