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Shackle Flip Install and Quesiton (Pics)

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Stoopalini, Jan 21, 2001.

  1. Stoopalini

    Stoopalini 1/2 ton status

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    I'm getting ready to torch out the rear hanger rivits, and was wondering if it's best to hit the rivits from the outside or the inside of the frame rail?

    The outside is the rivit head and is a lot bigger that the inside portion.

    Any advice for me before I "fire" it up [​IMG]

    Thomas.

    -- '84 K5 Blazer --
    <A target="_blank" HREF=http://Stoopalini.coloradok5.com>http://Stoopalini.coloradok5.com</A>
     
  2. cp87jimmy

    cp87jimmy Registered Member

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    Re: I\'m ready to torch out the shackle rivits for shackle flip install ........

    I used a small 4" grinder on the rivet heads when I did my shackle flip. The rivets came out very easy. I was afraid of using the torch method for fear of being blown into last week. Are you taking the gas tank completely away from the vehicle? I also didn't want any heat to affect the frame rails. May not be a problem but I wasn't sure so I didn't do it. Good luck on your install. If I can help let me know.
    Chris

    GO STARS !!!!!
     
  3. Stoopalini

    Stoopalini 1/2 ton status

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    Re: I\'m ready to torch out the shackle rivits for shackle flip install ........

    I thought about the grinder too, but so many people have told me tha the torch method is much faster and easier.

    I've removed the rear dif and the gastank already. I am ready to get the factory shackles outta there but have called it a night for now. I'll do the rest of the prep work tomorrow..

    Here are a few pics of the work:

    <A target="_blank" HREF=http://stoopalini.coloradok5.com/photo3.html>Rear Diff & Gas Tank Removal</A>

    Thomas

    -- '84 K5 Blazer --
    <A target="_blank" HREF=http://Stoopalini.coloradok5.com>http://Stoopalini.coloradok5.com</A>
     
  4. Boss

    Boss 1/2 ton status Author

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    Stoop,

    I torched it from the outside and then pounded them out with the air chisel. I feel its easier from the outside b/c you have more room. I did do the bottom rivits (2 each side) from the inside though. Be careful when torching remember. Cover the fuel lines with wet rags just incase and all wires, etc. I did manage to catch my boot on fire..TWICE!!! from the molten lava pieces that fly everywhere when torching. I guess some fell on my boot and I didn't realize it till I saw flames through the goggles. LOL!!
    Boss
    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>

    [​IMG]
     
  5. Stoopalini

    Stoopalini 1/2 ton status

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    Cool! Thanks Boss. I guess I'll just do whatever is easiest then. It seems that the direction you go doesn't really matter.

    I have noticed the wires on the drivers side, and will put a few soaking rags over them. I didn't think aboiut the fuel lines though. Are they near the rivits? I'll have to check when I get home before I fire the torch up.

    Torched your boots, huh? ...... LOL.... I'll have to make an effort to watch where the sparks land [​IMG]

    Thomas.

    -- '84 K5 Blazer --
    <A target="_blank" HREF=http://Stoopalini.coloradok5.com>http://Stoopalini.coloradok5.com</A>
     
  6. Boss

    Boss 1/2 ton status Author

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    The lines are kinda close to the rivits. Not that close though..but like I said, those sparks spray everywhere, and the lines are close enough. It's really for precaution sake.

    Yeah, the whole board had a kick out of it a while back when I told them I lit my boot on fire doing the flip. LOL
    Boss
    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>

    [​IMG]
     
  7. californiak5

    californiak5 1/2 ton status

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    Hey Boss,
    What did you do for the pinion angle? Did you drop the
    T-case and add a shim in the springs or did you go with a CV drive shaft to correct the angle?

    Thanks,
    Keith

    [​IMG] Born to Drive My K5 [​IMG]
     
  8. kpanza

    kpanza 1/2 ton status

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    Mna, I must be real lucky!! Cause my hangers were BOLTED from the factory! No rivets for me, i just unbolted the old ones, and drilled larger holes! Maybe there was a year after which they bolted instead of riveted?
     
  9. TX Mudder

    TX Mudder 1/2 ton status

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    A previosu owner would have had to remove the rivets and put on bolts, but I have no idea why someone would do that. A lot of work.
    As for removing the rivets - I didn;t do the shackle flip, but I have removed the front crossmember (that the prop. valve bolts to) and several brackets that were bolted to the frame. It's best to get a high rpm grinder (like a 4 or 4.5") and just hit it. Then get a big brass punch and a BFH and whack it ut the other side. Easy as pie, takes about 10 minutes per rivet (once you get the groove) and plus, it's kind of cathartic.
    -- Mike
     
  10. Boss

    Boss 1/2 ton status Author

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    CaliK5,

    I didin't have to do anything to the pinion angle. No shims. The Tcase was already lowered, so that's why. I must be lucky or something, b/c I keep hearing people having driveline vibe probs after doing the flip, but I never ran across any. Definately lower your tcase though, it should help.
    Boss
    <A target="_blank" HREF=http://www.boss.coloradok5.com>http://www.boss.coloradok5.com</A>

    [​IMG]
     

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