Vents in 308 rear fenderwells | FerrariChat
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Vents in 308 rear fenderwells

Discussion in 'Technical Q&A' started by zff, Feb 4, 2005.

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  1. zff

    zff Karting

    Nov 1, 2003
    146
    Hawaii
    Full Name:
    Ken
    #1 zff, Feb 4, 2005
    My apologies if this is a FAQ, but I did some searches and couldn't find anything.

    My '83 308 has vents behind the rear tire that appear to pick up air from inside the fenderwell and channel it to the muffler area.

    What are these for?
     
  2. Sean F.

    Sean F. F1 Rookie

    Feb 4, 2003
    3,066
    Kansas
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    Sean F
    #2 Sean F., Feb 4, 2005
    So air will go from the rear fender area to the muffler area.
     
  3. cavallo_nero

    cavallo_nero Formula 3

    Nov 3, 2003
    1,707
    colorado
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    Giovanni Pasquale
    #3 cavallo_nero, Feb 4, 2005
    post a pic of these vents please....
     
  4. pma1010

    pma1010 F1 Rookie

    Jul 21, 2002
    2,559
    Chicago
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    Philip
    #4 pma1010, Feb 4, 2005
    Ken
    I think it was designed to help cool the catalytic converter(s).
    Philip
     
  5. Nuvolari

    Nuvolari F1 Veteran
    Owner Silver Subscribed

    Sep 3, 2002
    6,639
    Toronto / SoCal
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    Rob C.
    #5 Nuvolari, Feb 4, 2005
    These vents first appeared when catalytic converters were introduced. They vent away some of the heat produced with the cats. Actually the cat. cars have three visible differences to get rid of heat:

    1. The vents you spoke of.
    2. Extra louvers on the engine cover.
    3. Extra holes cut out of each side on the rear panel just under the bumper.
     

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