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Gasket sealing for vintage airboxes?

Discussion in 'Technical Q&A' started by randomlambo, Sep 9, 2025.

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  1. randomlambo

    randomlambo Formula Junior

    Feb 3, 2013
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    #1 randomlambo, Sep 9, 2025
    I have this airbox set that was restored...the inside lip used to have a sponge sealant for when the cover sits on the main body and I'm thinking I should use a rubber/silicone strip/bead all around to seal it...

    Any recommendations for a product? Maybe some high temp, 1/2" wide rubber/silicone gasket that has one side with adhesive? Am I getting too specific? :)

    Thoughts and opinions very much welcome!
     
  2. randomlambo

    randomlambo Formula Junior

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    #2 randomlambo, Sep 9, 2025
  3. mikey64

    mikey64 Formula Junior
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    #3 mikey64, Sep 9, 2025
    mcmaster-carr is probably a good source to find something that will work
     
    randomlambo likes this.
  4. randomlambo

    randomlambo Formula Junior

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    #4 randomlambo, Sep 9, 2025
  5. Kevin Rev'n

    Kevin Rev'n Two Time F1 World Champ
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    #5 Kevin Rev'n, Sep 10, 2025 at 10:55 PM
    I am thinking you will need to cut the shape you want from a foam sheet.

    try searching for:

    closed cell heat resistant foam sheet

    or something like that.
     
  6. randomlambo

    randomlambo Formula Junior

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    #6 randomlambo, Sep 11, 2025 at 12:45 PM
    Are you thinking more of making like a gasket material? I think that would be very difficult to cut without a pattern given that this airbox cover is maybe 2 ft long by 4" wide...I was thinking of just going around the inner perimeter with a one-sticky sided high temp rubber so it seals together when screwed back on...
     

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