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  1. #11

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    Looks good so far. Can't wait to see it completed.

  2. #12

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    UPDATE:

    1) bumper mounting plates made


    so summer school started earlier this week with some tough engineering classes, contrary to what I thought, I actually got some stuff done today with my shop teacher who was more than ecstatic to help me!

    heres a few hours work between my two summer classes...


    thankfully he had plenty of extra 1/2" steel laying around for me to use...

    so we popped it up in the bandsaw

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    my two pieces, yes there are already some drilled holes in them, but oh well, doesnt affect the quality of them

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    then the 4 holes for some 1/2" grade 8 bolts

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    after cutting I test fitted and realized i needed to round the corners off

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    here they are in place to cap off my frame horns.

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    still need to tack weld the 4, 1/2" nuts on the back side of these plates, then weld these plates flush...
    2000 Chevrolet Silverado

    Powertrain:
    4.3L V6, 4L60E, 2WD, Single Cab
    Performance:
    Airaid CAI
    Poweraid TB Spacer
    Flowmaster 10-series exhaust (dumped)
    BLACKBEAR TUNED!!!
    Edge CS insight monitor
    4.10 gears
    Limited-slip differential
    LS-1 Dual Electric fans
    Corvette tranny servo swap

    Audio:
    Head Unit: Alpine
    Speakers: Alpine SPR-60C 6.5" component set, 4X6 Infinity Kappas
    Subs: 2-12" Kicker CVT's
    Amps: Alpine-M1000 (subs), Alpine MRX-F65 (Speakers)


    Tires/Wheels:
    305/70R16 NITTO Terra Grapplers
    16" PROCOMP 7089's
    Suspension:
    2" leveling kit
    3" Fabtech Spindle Lift Kit
    Front/Rear-Bilstein 5100 shocks

    Lighting:
    FRONT
    35W HID Low Beams
    RECON LED smoked roof cab lights
    REAR
    HELLA LED taillights and 3rd brakelight
    HELLA FF-75 Aux. Reverse Lamps
    RIGID dually D2, flush mount, wide beam
    Accessories:
    Hawk HPS Brake pads
    Russell braided steel brake lines
    Powerstop-red powdercoated brake calipers
    Powerslot Cryo brake rotors
    EGR in-channel window visors

  3. #13

    Default

    UPDATE:
    1) 3/8" steel for bolt on plates made
    2) nuts welded onto 1/2" mount plates
    3) mount plates welded onto end of frame horns
    4) grinded plate welds flush
    5) bolt on plate, bolted onto mount plates

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    only welded three of the sides because my shop teacher said it was already more than enough.... though it may be true, i might finish the 4th edge for aesthetics...
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    all that left now is to cut and weld the bumper support arms onto the 3/8" bolt on plates, and weld the bumper to the arms as well.....

  4. #14

    Default

    I know your building this for strength and all but are you gonna design in a sacraficial crush can or anything like that so in case of an accident you crush or bend something replaceable instead of a frame horn or rail?

  5. Likes mfleetwood liked this post
  6. #15

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    Quote Originally Posted by tbplus10 View Post
    I know your building this for strength and all but are you gonna design in a sacraficial crush can or anything like that so in case of an accident you crush or bend something replaceable instead of a frame horn or rail?
    I dont really have any kind of crush zone in mind... BUT, I am doing this in the bolt on method as shown, rather than straight welding my bumper to the frame for a reason similar to the one you stated. Welding the bumper to my frame would mean if I was to hit something hard, and something got bent, its only logical that something on my frame would be affected. instead I opted to cap off the frame, and make a 3/8" bolt on plate which will be connected to the bumper, and I will be able to remove the bumper IF NECESSARY, but perhaps the 4 1/2" bolts would break if I was to hit something that hard, which might constitute for a crush zone you are referring to...

  7. #16

    Default

    Looks good so far
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  8. #17

    Default

    Ok, just remember not to make the mistake of using the strongest hardware available, then you negate the crush zone (or in this case shear factor).
    Just a costly mistake I learned on an earlier prerunner bumper build.

  9. #18

    Default

    finished my bumper!!!

    only took a few months LOL
    but here she is...

    future plans will be to incorporate a skid plate and some sheet metal for gap filling then some light mounts...

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  10. #19

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    good job, glad you finally got it done.

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