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Transmission Tunnel Construction

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  • elvis
    replied
    x2 on the cardboard mockup. I'd seal it up with fully welded seams with a mig. Whats the material?

    Leave a comment:


  • elvis
    replied
    x2 on the cardboard mockup. I'd seal it up with fully welded seams with a mig. Whats the material?

    Leave a comment:


  • dumb as a stump
    replied
    tranny tunnel

    make it out of cardboard and duct tape. When you are happy cut out and fab with sheet.

    Leave a comment:


  • MMW
    replied
    I think it would depend mainly if it will be structural or not wether to stitch or full weld. A uni-body uses the tunnel for support/strength. Now if the car has it's own frame or cage then it most likely isn't structural. Without pics it is hard to even give an opinion.

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  • aametalmaster
    replied
    Originally posted by Bosco26 View Post
    I originally wanted to use Tig as it was cleaner/neater... would using a tig be a bad idea?
    You can use what ever process you want. If it is steel i would use a mig and .024 wire but thats just me speaking. Post some pics when you are done...Bob

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  • Bosco26
    replied
    Originally posted by aametalmaster View Post
    I have welded in a few of them. Mig welded soild to keep the fumes out. I suppose you could stitch it and use a sealer. Why tig weld?...Bob
    I originally wanted to use gig as it was cleaner/neater... would using a tig be a bad idea?

    Leave a comment:


  • oldmachinenut
    replied
    Transmission Tunnel Construction

    We built a pro-street car a few years ago, mig welded, cleaned up the welds then 3M brush able seam sealer then paint. It looked factory and held up to body flex= no cracks.

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  • aametalmaster
    replied
    I have welded in a few of them. Mig welded soild to keep the fumes out. I suppose you could stitch it and use a sealer. Why tig weld?...Bob

    Leave a comment:


  • Bosco26
    started a topic Transmission Tunnel Construction

    Transmission Tunnel Construction

    Hi,

    I Was wondering if anyone can give any tips for constructing a new transmission tunnel in a race car.

    The car is FWD so the tunnel is only for the exhaust pipe. We need to remove the existing tunnel which is too small for the exhaust/oil lines etc which will run down the centre.

    We will replace it with one which is larger, and I was wondering if anyone could give some tips on tig welding the new tunnel to the existing floorpan. would one tig weld along the full length of the tunnel (from the firewall to where the floor pan kicks up for the rear seats etc) or would you stitch weld it?

    Cheers
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