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Thread: AIR BOX MOD CDTi

  1. #1
    Regular Member sri22dti's Avatar
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    Default AIR BOX MOD CDTi

    Will this harm the air flow meter?

  2. #2
    Regular Member Caterman's Avatar
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    In a word, NO.

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    Regular Member sri22dti's Avatar
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    Thanks Caterman i will get the light out now and do the mod

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    Regular Member Steve CDTi's Avatar
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    Cannot understand why Vauxhall restricted the airflow into the air box below the filter. Saying that the mod doesn't seem to have made any difference...........

    Steve

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    Regular Member nutron's Avatar
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    Someone said they did it to reduce noise.

    What you need to do is, get a second filter and some GRP and really go mad... Not that I am mad...

  6. #6
    Regular Member dieseldick's Avatar
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    Iv'e just done this....

    Definately feels more liveley, it seems to have brought the grunt down to about 1500 rpm. Seems worth it, I don't like the way it bogged below 2K, and Tommi Makkinen style launches when nipping out at junctions are a pain...

    i cnnot believe how much clag was in the airbox!

  7. #7
    Regular Member Gsi3.2's Avatar
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    yep, they certainly hoover up some crug.. i had 3 cigarette butts in mine, and C's old 2.2 has a birds nest....

    the best free mod you can get on the vectra's....

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    Regular Member robzc's Avatar
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    Just a quick idea lads, the air box intake is a huge gaping hole just above the radiator as far as I can make out. I know the last thing you want to do is restrict airflow at all, but on my old Opel GSI I used to fit a small bit of netting from a mosquito net - a pair of tights cut up might also work but not as tough - over the front of the intake with a simple cable strap.

    It blocked all the big crud and was easy to get to to give a little brush off whenever you had the bonnet open. I certainly didn't notice any drop off in performance, but my air box was always comparatively clean when I did get around to changing the filter, nothing large lying around. Big stuff in the airbox must restrict the airflow to some extent.

    Just an idea, haven't done it on my motor yet, but I may soon.

  9. #9
    Regular Member dieseldick's Avatar
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    Quote Originally Posted by Gsi3.2 View Post
    and C's old 2.2 has a birds nest....
    LOL!.....and mate told me vauxhalls were useless at picking up chicks


    BOOM_TISH!

  10. #10
    Regular Member Gsi3.2's Avatar
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    Quote Originally Posted by dieseldick View Post
    LOL!.....and mate told me vauxhalls were useless at picking up chicks


    BOOM_TISH!
    old one's are the best....

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