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spiral fluting urethane bushings, pics

Discussion in 'The Garage' started by rdn2blazer, Dec 8, 2006.

  1. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    I do this to every bushing I install. it helps keep the spring ID from rusting and you dont have to take apart the bushings to grease the OD. these are fluted from factory on the ID but as far as I know you cant buy them fluted on the OD.

    I use a used cutoff wheel that is of a fairly small diameter, you can get closer to the shoulder that way. also because its worn the edge is radiused not a square edge like a new cut off wheel has.

    first I cut a slot from the ID flutes to the OD of the bushings of the small dia. ofcourse. then I radially cut a slot til I allmost hit the shoulder. I dont go very deep at all, maybe a 1/16.

    these bushings are the energy suspension bushings out of some 4 in. TC springs for my blazer.

    some people say they should be installed dry and the grease is so the steel bushing gets lubed and spins, but I think it should see grease everywhere. just my .02 cents.

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    Dscn1542.JPG
     
  2. Txchevy18

    Txchevy18 1/2 ton status

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    Cool.
    Thanks for the tip. I'll have to try that out when I swap to 52's in a few weeks.
     
  3. Jimbo*

    Jimbo* 1/2 ton status

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    Now that's a bum deal!! I expected you to be chucking them up in the dividing head and milling the grooves in them! LOL
    JImbo
     
  4. blazinzuk

    blazinzuk Buzzbox voodoo Premium Member GMOTM Winner

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    Cool I had lots of poeple tell me that did nothing for the bushings I used to do it to my sami bushings, sure seemed to work for me
     
  5. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    do you see the precision job I did by hand?? I dont need no stinking dividing head!! thats a 3 axis cnc move by hand pal :D :haha: :p:
     
  6. lurtch-k20-(78-90)

    lurtch-k20-(78-90) Registered Member

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    rdn2blazer, you mentioned seeing grease on the bushing. Are you using greaseable bushings? If so what is the exact size of the hole through the bolt? I am considering using greasable bolts for an applacation like this and was concerned about the shear load on the bolt, since it has been core drilled.(I understand the bolts are grd 8, and the center isnt what you would call hardened, but it is still part of the structure)
     
  7. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    without taking the zerk out I could not tell you. I do know its a tiny hole though. the cross hole that lets the grease into the bushings is probably no more then say 45 to 55, maybe 60 thousands max. would have to actually chect it. I have a pin gage set, it starts at .061, if that does not fit its obviously smaller.
     
  8. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    refresh, for those who missed this incredibly brilliant idea :D
     
    Last edited: Nov 29, 2007
  9. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    alot of new people here so Im bringing this back one more time, ya know, cause I care. :D
     
  10. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    Another refresher for the new noobs. Arn't I kind. :D
     
  11. JDNobodi

    JDNobodi 1/2 ton status Premium Member

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    I don't know how I missed the first two times, and count me in expecting a dividing head.
     
  12. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    I will tell you the same thing I told the last guy....


    Quote:

    Do you see the precision job I did by hand?? I dont need no stinking dividing head!! thats a 3 axis cnc move by hand pal :D :haha: :p:

    End Quote. :p::p::p: :haha:
     
  13. MojaveK5

    MojaveK5 1/2 ton status Premium Member

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  14. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Braggart. :rolleyes::D
     
  15. BGKYK5

    BGKYK5 3/4 ton status GMOTM Winner

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    Is there such thing as a tech whore?




    J/K, saved for future reference. :waytogo:
     
  16. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    I know, what a jerk huh :D, I am quite proud of this for sure lol! I'm proud of my tech whoreing man!! you know you think its a bad ass idea though. you know your gonna do it on your next bushing install, you know you love it don't you, come on, oh yeah, tell me you............oh wait, I......





























































    Sorry, I got carried away a little lol!! :haha: :p: :p: :p:
     
  17. rcamacho

    rcamacho 1/2 ton status

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    Reviving thread. This is an excellent modification to standard urethane bushings. For those running ORD disconnects, they tend to run dry after a while and seize up. I've drilled the body for a zerk fitting and fluted the bushings with a carbide bur. No more problems with seizure.
     
  18. boz42

    boz42 1/2 ton status GMOTM Winner

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    I have been here since '03. First time I have ever saw this thread. Good idea.
     
  19. rdn2blazer

    rdn2blazer 1 ton status Premium Member

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    Your NOT viewing CK5 enough man, get with the program :D :p:
     
  20. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    His truck runs..... he goes wheeling :D:doah:
     

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