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what are the stock gears in an 1987 k5?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by nmud2deep, Jun 16, 2006.

  1. nmud2deep

    nmud2deep Registered Member

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    what are the stock gears for an 1987 k5 blazer with 350/ 700r4/208 combo? rushed response please.....
     
  2. nmud2deep

    nmud2deep Registered Member

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    anyone if you would help it would be great
     
  3. UseYourBlinker

    UseYourBlinker 1 ton status

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  4. wicked87_k5

    wicked87_k5 1/2 ton status

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    mine were originally 3.08's
     
  5. ratzila

    ratzila 1/2 ton status

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    My 91:k5: came with 3.42's. Also my 90:burb: had 3.42's
     
  6. eeyore

    eeyore Registered Member

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    mine and two others i know of came with 3:73.mine is the same year and combo,one an 86 and an 89.
     
  7. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    I have that exact truck...... 3.73's.......
     
  8. sarasotausmc

    sarasotausmc 1/2 ton status GMOTM Winner

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    x2, 3.73s. 10 bolt front, 12 bolt rear.
     
  9. roadnotca

    roadnotca 3/4 ton status

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    Isn't that on the build sheet in the glove box door. Also on the axle(s). Also on the lead page for CK5, specs.
    ?
     
  10. ratzila

    ratzila 1/2 ton status

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    A 87 should have come with the 10b front & rear from the factory
     

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