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  1. #1
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default Design help needed

    My wife truck has one of those chrome bumper grille guards on it. It is attached with 5/16 bolts, 8 total. There are 4 on the bottom to the frame, 2 in the radiator support and 2 about half way up the bumper. There are 2 little straps that run between the radiator support and the bumper. They are about 1/2 in wide and maybe am 8th thick. There is just a simple 90* bend at the radiator end. There is no reinforcement at the bend and they keep cracking. I need something a bit more stout to put in there. Im pretty much stuck with the h0les in the support unless I spend days disassembling the front end to make room to drill.

    Ill be her hero if I can make the truck quit squeaking every time she hits a bump.
    Who do you call when the lawmakers ignore the law?

    Miller AC/DC Thunderbolt 225
    Miller 180 w/Autoset
    Old cutting torch on LPG

  2. #2
    Join Date
    Dec 2007
    Location
    alabama
    Posts
    746

    Default

    can you post a picture?
    2, XMT's 350 cc/cv
    1, XMT 350 vs
    1, TRAILBLAZER 302
    1, MILLER DVI
    1, PASSPORT PLUS
    1, DYNASTY 200 DX
    1, MAXSTAR 150 STL
    1, HOBART CHAMP
    1, HF-251 BOX
    1, S-74d
    1, S-75DXA
    2, 12-RC SUITCASES
    2, 30 A spoolguns

  3. #3
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default

    It will be a couple days for a pic. My wife left a 4:30 this morning to babysit. Her oldest son is having baby number 2. She will probably be there until mom and son come home from the hospital.

    Picture this. The strap lays flat and comes thru the grill to attach to a tab on the bumper. There is one bolt at each end. At the radiator support the strap is bent up in an L shape to meet the radiator support. The crack occurs near the bend. Whoever built this thing is asking for a lot of "shock absorber action" from a solid piece of metal. The L shape is too long to not flex. I thought about putting a gusset on the side of the bend but we still have to be able to get at it with a wrench and have room for the bolt, which mostly takes up the entire width of the strap.

    The bumper looks nice but attaching hardware is under built.
    Who do you call when the lawmakers ignore the law?

    Miller AC/DC Thunderbolt 225
    Miller 180 w/Autoset
    Old cutting torch on LPG

  4. #4
    Join Date
    Dec 2007
    Location
    alabama
    Posts
    746

    Default

    Possibly make one that is thicker?
    2, XMT's 350 cc/cv
    1, XMT 350 vs
    1, TRAILBLAZER 302
    1, MILLER DVI
    1, PASSPORT PLUS
    1, DYNASTY 200 DX
    1, MAXSTAR 150 STL
    1, HOBART CHAMP
    1, HF-251 BOX
    1, S-74d
    1, S-75DXA
    2, 12-RC SUITCASES
    2, 30 A spoolguns

  5. #5
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default

    I thought of that but it will still be pulling on only one side of the bolt. I was concerned if it was heavier metal the radiator support may be the next victim.
    Who do you call when the lawmakers ignore the law?

    Miller AC/DC Thunderbolt 225
    Miller 180 w/Autoset
    Old cutting torch on LPG

  6. #6
    Join Date
    Dec 2007
    Location
    alabama
    Posts
    746

    Default

    Additional bracing then would be needed .Kinda hard to figure without a pic.
    2, XMT's 350 cc/cv
    1, XMT 350 vs
    1, TRAILBLAZER 302
    1, MILLER DVI
    1, PASSPORT PLUS
    1, DYNASTY 200 DX
    1, MAXSTAR 150 STL
    1, HOBART CHAMP
    1, HF-251 BOX
    1, S-74d
    1, S-75DXA
    2, 12-RC SUITCASES
    2, 30 A spoolguns

  7. #7
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default

    Ill post one when the truck comes home. Thanks.
    Who do you call when the lawmakers ignore the law?

    Miller AC/DC Thunderbolt 225
    Miller 180 w/Autoset
    Old cutting torch on LPG

  8. #8
    Join Date
    Dec 2006
    Location
    Central Iowa
    Posts
    72

    Default

    Seem to me you need to find another place to attach it.

    What if she hits a deer....the radiator support isn't going to handle that force and it would make the repair more expensive.

    Can you reinforce the bumper and frame attachments so it doesn't require that strap?

  9. #9
    Join Date
    May 2008
    Location
    Belle Plaine Iowa
    Posts
    270

    Default

    I think its pretty much just a chrome ornament anyhow. I dont think it would do much against a deer other than lessen body damage. My semi is going to get one made out of 1X3 tube and my pickup will have 2X2. I hit two deer in two weeks with my pickup and the factory bumper took a real beatin. I got very little body damage besides the plastic grill. Hers is a girly truck with a girly bumper. She should be home some in the morning. Im going to see if I can run some small square tube or channel all the way across the to both brackets and weld them so there is no bend at all.
    Who do you call when the lawmakers ignore the law?

    Miller AC/DC Thunderbolt 225
    Miller 180 w/Autoset
    Old cutting torch on LPG

  10. #10
    Join Date
    Sep 2005
    Location
    Evansville, IN
    Posts
    2,348

    Default

    The squeeking to me indicates 2 things one is lack of structure already covered. but also to small of fasteners, not strong enough fasteners or lack of Loc-tight in the assembly.

    If the fasteners are not strong enough they will stretch some during vibration and become a squeek before they get so loose that they fall out. if they are too small then they will only hold with a certain amount of stress and the moving of a large massive bumper would easily be too much for a small fastener. Finally Loc-tight is my faith on mechanical fasteners, if repeated cycles and vibration are possible loc-tight those suckers.

    For what it is worth my bumper on my truck is held with 3/4" grade 8 bolts,, it just wont move,,,,,,,EVER.....

    This might be over kill on the explanation but if you understand my thoughts it may help.

    Peace,
    Paul
    Attached Images Attached Images
    Last edited by Paul Seaman; 01-09-2009 at 07:44 AM.

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