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Crossmember fab

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BowtieRed, Mar 2, 2004.

  1. BowtieRed

    BowtieRed 1/2 ton status Author

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    ok. . . so i got front shaft issues. and got a few possibilities
    a) clearance the xmember and weld some plate to bottom of xmember to retain strength
    b) clearance/cutout part of xmember and weld in behing cut to retain strength (seem unlikely i'll retain stock strength)
    c) make new x member completely
    d) get a taller tranny mount- might have to fab that

    any ideas or pics. . . what should i use to make a new xmember.

    sm465/np241
     
  2. blazen91

    blazen91 1/2 ton status

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    If your problem is the cv hitting the cross member, I have that too. I am going to clearance the member and weld in a plate under where I cut.
     
  3. sled_dog

    sled_dog 1 ton status

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    do the cut and plate thing
     
  4. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Can you post some pics of your problem? I'm surprised you have that kind of interference, it’s generally not an issue with stock trans/case setups.

    That said, how you approach the problem will probably depend on how much interference you have. If it's not much, it would probably be fine to notch the lip and plate it, maybe tie into a skid plate at the same time. On the other hand, if you've somehow gotten yourself into a place where you have significant problems, a custom cross member is the only option that will provide a long term fix...
     
  5. 84_Chevy_K10

    84_Chevy_K10 Banned

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    He has 10" springs, thus the interference issues.

    I had to clearance grind mine, but not much, but I've only got 6" of lift.
     
  6. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Ahhh, I figured it must be extreme lift. Don’t have any experience with those I’m afraid. But my comment still stands, the answer depends on how much interference, how much travel is expected, etc…
     
  7. 84k5

    84k5 1/2 ton status

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    I have a 4" lift and had to clearance it. /forums/images/graemlins/dunno.gif
     
  8. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Hmmm, must be the case/adapter combos causing trouble. 241/208 have the front reduction planetary housing so that would put the front output further back. Most everything I've ever fooled with in a GM has run a 205, other than a no lift 76 Scottsdale with a 203.
     
  9. 84_Chevy_K10

    84_Chevy_K10 Banned

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    Both me and Bryan both have 205s.
     
  10. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Ok, I give, I'm beat. /forums/images/graemlins/rotfl.gif I have no idea what the problem would be, apparently I've been "lucky"? Nah, can't be... must be something else... /forums/images/graemlins/histerical.gif
     

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