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Rancho shock trouble!

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by evil bastard, Mar 23, 2000.

  1. evil bastard

    evil bastard Registered Member

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    hey all, i just ordered 4 rs 5000s, and 2 are model 5001, the other 2 are model 5012. ive bought shocks before and they usually sprung back after i pushed the tube in; these shocks ddont. is that wrong for these? also, fully extended, the 5001s measure 21" eye to eye, and the 5012s measure 32.5" these shocks are goin on a tc 4" lift......i sense trouble, am i right?
     
  2. Jason73K5

    Jason73K5 1/2 ton status

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    I belive you're right. RS5000's are supposed to be gas charged and should extend by themselves.
     
  3. Shawn

    Shawn 1/2 ton status Premium Member Author

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    My old Rancho 5000's never did spring back like other brands of gas shocks. My new 9000's don't either. I'd call Rancho tech support and ask them about the correct #'s you need. Wouldn't hurt to call 4 Wheel Parts and get their numbers too.

    http://www.gorancho.com
    http://www.4wheelparts.com

    Shawn
     
  4. 6.2Blazer

    6.2Blazer 1/2 ton status

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    I may be wrong, but I don't think the RS 5000's are supposed to be gas charged. Only gas charged shocks will spring back.
     
  5. Shawn

    Shawn 1/2 ton status Premium Member Author

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    Thats what I thought at first but then I went to Rancho's site and found this statement:

    Rancho RS-5000
    "Twin-tube cellular gas design and ten-stage valving deliver a comfortable highway ride and superb off-road performance"

    Shawn
     
  6. Blaze81

    Blaze81 Registered Member

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    Cellular gas is different than gas charged. cell gas will not spring back but gas charged will. This is in previous article of Four Wheel and Offroad, but can't remember month or year.

    Tuck
     

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