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  1. #1

    Question Small Hole in Floor Pan

    Hello All,

    I found a small spot on my driver side floor plan where it's basically rusted through. You can't see through it because of the rubber coating on the inside of the pan, but I could punch right through it with a screwdriver.

    Pix attached. The circle on the floor in the interior picture shows the location - what's a simple but effective way to fix this?

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  2. #2

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    On my car, i just cut out the rotted areas and welded in new pieces.
    79 Zephyr, 4.6L 4v/4r70w swap, with team z front and rear suspension, 8.8 and upgraded brakes and coil overs. Running Holley Terminator X Max.

  3. #3

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    Cut and weld.
    83 TC "Clone"
    85 Marquis LTS

  4. #4
    FEP Senior Member
    Join Date
    Mar 2008
    Location
    darien il
    Posts
    514

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    if you do not have the tools space to cut and weld. i have delayed the problem by putting a fiberglass patch on it. since the car was my daily driver i needed it to go to work the next day. scoffed up the areas with a wire wheel, put on the fiberglass per the instructions. 10 years later still there. i did put/spray the bottom with a rust additive and later paint to cover it..

  5. #5
    FEP Senior Member
    Join Date
    Dec 2016
    Location
    Grand Rapids, MI
    Posts
    658

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    Quote Originally Posted by bob85gt View Post
    if you do not have the tools space to cut and weld. i have delayed the problem by putting a fiberglass patch on it. since the car was my daily driver i needed it to go to work the next day. scoffed up the areas with a wire wheel, put on the fiberglass per the instructions. 10 years later still there. i did put/spray the bottom with a rust additive and later paint to cover it..
    That is not a bad option if you cannot weld. We did the same thing when we found some rust in the floor of our '67 Biscayne. Back then you couldn't just order up new floor pan parts and we didn't have a welder anyway. It's been nearly 30 years and they are still there. Make sure you get all of the rust out and treat it as mentioned so it doesn't continue to rust.
    '89 XR-7 5 Speed
    '95 SC 5 Speed
    '91 Crown Vic P72 351W
    '97 Thunderbird
    '85 Ford LTD Squire

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