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  1. #1
    insiswe
    Guest

    Default C3 chassis stiffening

    I am in the process of a body off restoration and after sandblasting the chassis
    iIhave found the welding to be poor .Is it a must to weld with CO2 or stick welding? If stick welding is ok which rods do I use.
    I have also read that there is a perticular method of stiffening the chassis for
    racing.Is this information freely available and where.Many thanks Chris

  2. #2
    celeryman22
    Guest

    Default

    Don't weld the frame with stick, I think it burns too hot and will increase the chance of warping the frame. I used flux core and moved around the frame when welding. Flux core is a messy process similar to stick. Weld it with a MIG if you can it will be better.

  3. #3
    Member
    Join Date
    Jan 2001
    Location
    Enschede, The Netherlands
    Posts
    646
    Corvette(s)
    1982 Twin Turbocharged Red/Black

    Default

    You can do it with stick but it will be pretty ugly, MIG w/ ar/co2 about 75/25% is the best way. You can easily lay down nice consistent beads and have good penetration.The racing method is to fully weld the frame and gusset the motor mounts, the lower contol arm mounts, box the frame horns and patch over the big holes in the frame, especially the one for access to the little mounting studs for the power steering ram outer bracket (2 plates w/ studs drop into the frame) so welding over that one requires you to weld in the studs first so they can't fall into the frame.

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