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Aluminum belly pan DIY

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  • Aluminum belly pan DIY

    Got a few requests for the dimensions of my belly pan so I decided to make a bit of a DIY out of it.

    Some iPhone shots of the final product, sorry they're not very good quality, I'll try to take better ones next time its off.





    I initally made this with a cardboard template and some trial and error. After the requests I made a Solidworks model with all necessary dimensions.

    I also have a high res PDF and Solidworks file if anyone is interested in them, just PM me. With the Solidworks file you could take it to a CNC shop and get the whole part cut out on a waterjet.



    Although I'm 99% sure those dimensions are correct, I strongly suggest you make a cardboard template and test fit it first.

    The dotted lines on the front of the bellypan are where you need to bend the metal. I bent mine so there is approximately a 3/4" step up so the pan fits under the bumper.

    The diagram is a BOTTOM view of the pan, so be sure to bend the metal accordingly as the front mounting holes are NOT symmetrical. This means bend the front-most section OUT of the page, and the back-most part INTO of the page. I did this using a few c-clamps and attaching 2x4's at the top and bottom of the sheet right were the bend needs to be. Then get a couple friends to pull the whole sheet of metal until the desired bend is achieved. This is another reason to make a cardboard template first as you can test for the proper amount of bend needed.

    For the vents I just Drilled holes in each corner and then used a jigsaw to cut the outline, then just bent them upwards (into the page) to emulate the OEM vents

    The holes are for the OEM mounting locations on the pan, 3 at the rear, 3 at the front. Another 3 can be drilled to mount the front bumper to the pan but I found that they're not necessary.

    High res image of pan here: http://s289.photobucket.com/albums/l...panhighres.jpg

    All units are in inches.

    Pat

    His
    1989 Porsche Carrera 4 // 5 Speed // Guards Red

    Hers
    1987 VW Cabriolet // 20VT // O2J // Recaros // Porsche Slate Grey // Ronal Turbos // FK Coilovers

    2005 Porsche Cayenne S

    Theirs
    1977 VW Type 2 Westfalia

    Gone
    2004 Audi A4 1.8T // quattro // 6 Speed // Brilliant Red
    Fully built 1.8T || AEB || Motoza tuned || ID1000 || S4 MAF || GT3076R

  • #2
    Re: Aluminum belly pan DIY

    That's sick! Nice work.
    Tyler

    vinylappeal.com

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    • #3
      Re: Aluminum belly pan DIY

      ^^ x2!!
      Work - houzz / linkedin
      Play - haldex swap

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      • #4
        Re: Aluminum belly pan DIY

        Hats off, would love to have one each for the A4 and CQ!
        Find me on Instagram @pry4sno

        Candy White 2010 VW Golf Sportwagen TDI 6 speed /// #farmenwagen
        Indigo Pearl Effect 1992 80q 20v /// Eventual AAN'd Winter Sled
        Brilliant Black 1990 Coupe quattro /// Because Racecar

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        • #5
          Re: Aluminum belly pan DIY

          I'll make you one in exchange for some parts
          Last edited by onceover; 01-15-2011, 07:53 PM.

          Pat

          His
          1989 Porsche Carrera 4 // 5 Speed // Guards Red

          Hers
          1987 VW Cabriolet // 20VT // O2J // Recaros // Porsche Slate Grey // Ronal Turbos // FK Coilovers

          2005 Porsche Cayenne S

          Theirs
          1977 VW Type 2 Westfalia

          Gone
          2004 Audi A4 1.8T // quattro // 6 Speed // Brilliant Red
          Fully built 1.8T || AEB || Motoza tuned || ID1000 || S4 MAF || GT3076R

          Comment


          • #6
            Re: Aluminum belly pan DIY

            sick pat
            Team Highschool
            Twin Turbo Turbo Smurf Avant

            www.ctsturbo.com - the home for all your turbo needs. PM me for details.

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            • #7
              Re: Aluminum belly pan DIY

              Gangsta pan there. I did the same for my MKIV a couple years back, will look around and see if I still have the file w/dimensions available on my HD and post it up here if anyone is interested. **** is indestructible.

              Comment


              • #8
                Re: Aluminum belly pan DIY

                Originally posted by nismodrifter View Post
                Gangsta pan there. I did the same for my MKIV a couple years back, will look around and see if I still have the file w/dimensions available on my HD and post it up here if anyone is interested. **** is indestructible.
                Please do. I made a wrong turn yesterday and did a loop through a residential area to get back on track. I was scraping the center ridge between the ruts for a block because it was too icy to get out.
                Jeff

                his - '03 GTI VR6
                hers - '06 A4 S-line Avant
                sigpic

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                • #9
                  Re: Aluminum belly pan DIY

                  lol i need one!!!
                  Kevin

                  2000 s4, Custom vast stg2+, piggie pipes, ssac catback, evoms intake, 710n's, eibach sportline springs, RS4 Reps, VDO boost guage

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