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Is a “boxed truss” worth the extra work on a repo 32 frame?

Discussion in 'The Hokey Ass Message Board' started by Hot Rod Dan, May 6, 2011.

  1. Hot Rod Dan
    Joined: Jan 22, 2006
    Posts: 332

    Hot Rod Dan
    Member
    from Texas

    Using ASC 32 rails and boxing plates to put together a chassis. Just trimmed the boxing plates in preparation to “step box” it and have welded in the nut plates for the body mounts.

    Looking at the Speedway catalog I noticed they use small pieces of steel to build a truss internal to the frame section between the front crossmember and the center crossmember. And they call it a “boxed truss”
    <O:p
    Opinions - Is a “boxed truss” worth the extra work - Since the ASC rails seem to be more flexible than original Ford rails and it will have to support the weight of a 671 blower and an early hemi?

    Thanks - Dan
     
  2. Zombie Hot Rod
    Joined: Oct 22, 2006
    Posts: 2,452

    Zombie Hot Rod
    Member
    from New York

    I'd say it's not necessary unless you're building a race car. People tend to over build street cars, based on how to articles written about race cars.

    You don't know how many times I've heard people say "well in order to meet NHRA standards. . . blah, blah, blah". Which is great, if you're building a drag car.
     
  3. dodored
    Joined: Feb 5, 2007
    Posts: 641

    dodored
    Member
    from Concord NC

    Flex is not necessarily a bad thing. Why do you think they rivited the frames together on the '55 F100? Its so they wont stress fracture. Ditto on the race car comment.
     
  4. Hot Rod Dan
    Joined: Jan 22, 2006
    Posts: 332

    Hot Rod Dan
    Member
    from Texas

    skidmarks / Zombie Hot Rod / dodored

    Thanks for the advise, makes sense. You guys saved me from doing some extra work. :)
     

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