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Thread: O320 - Air Box

  1. #1

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    Default O320 - Air Box

    Any one have dimensions/pictures of their carb air box for an 0320? going to have to fabricate one...
    Edwin Forrester
    (336) 345-5296

  2. #2
    walt.buskey's Avatar
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    Default Re: O320 - Air Box

    I have mine apart --engine's out for overhaul-- but are you talking about the air box that bolts to the carb, or the (usually missing, apparently) "carb air scoop box" (the new-looking piece)?

    DSC08635.jpg

  3. #3
    Administrator Steve Pierce's Avatar
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    Default Re: O320 - Air Box

    Why are you going to fabricate the airbox? I don't believe I have seen a drawing for one. There are several different versions on our Short Wings.

  4. #4

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    Default Re: O320 - Air Box

    Both.. I bought the o-320 and pacer separately. This is going on a 1950 Pacer (tailwheel) though so I’m guessing it’s going to be slightly different with out all the nose wheel tubing there...
    Edwin Forrester
    (336) 345-5296

  5. #5
    Administrator Steve Pierce's Avatar
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    Default Re: O320 - Air Box

    Please post pictures of the process for building a new one. I am lazy and just buy them.

  6. #6
    walt.buskey's Avatar
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    Default Re: O320 - Air Box

    Ditto what Steve said, that's a fairly complex piece. But you're correct, I believe: as far as I know, that "air scoop" thing was only necessary on nose-wheel versions. (Lucky me.)

  7. #7
    andya's Avatar
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    Default Re: O320 - Air Box

    I have one that could use a new carb heat flapper shaft and bushing if interested.
    PM me if if interested.
    "Progress is our most important problem"

  8. #8
    walt.buskey's Avatar
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    Default Re: O320 - Air Box

    OK, here are some pics of mine, I thought I had it here at the house. Haven't yet de-greased it, so it's pretty slimy with oil.

    You can see how complex it is. And BTW, it's made of steel, not aluminum.

    DSC09579.jpg DSC09580.jpg DSC09581.jpg DSC09582.jpg DSC09584.jpg

  9. #9
    Glen Geller's Avatar
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    Default Re: O320 - Air Box

    Might be practical to call Acorn or other specialists and see what they charge for one.

    https://www.acornwelding.com/pdf/Pip..._Tri-Pacer.pdf
    I think for a 150HP O-320 you want item D, 14253-004
    Glen Geller
    1955 PA22-150 "One For Papa!"

  10. #10
    grbamford's Avatar
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    Default Re: O320 - Air Box

    I had a busted one during a cross country a few years ago. Bought a replacement from Aircraft Spruce. I as on my way a day and a half later.

    Greg

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