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Difference between 3/4t, 1t 14bolt FF

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by cegusman, Dec 3, 2001.

  1. cegusman

    cegusman 3/4 ton status

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    What is the difference between a 3/4t 14 bolt FF and a 1t 14 Bolt FF, Is it just the axle shafts?

    Houston, TX
     
  2. Esteban86K5

    Esteban86K5 1/2 ton status

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    The only difference is the position of the spring perches and shock mounts. Everything else is the same.

    <font color=blue>It's easier to teach a child than to fix an adult.</font color=blue>

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  3. HarryH3

    HarryH3 1 ton status Author

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    The spring perches and shock mounts are in a different place. The 3/4-ton version will bolt right into a K5. The 1-ton version requires some cutting and welding first.

    <font color=black>HarryH3 - '75 K5</font color=black>
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  4. SlyDog

    SlyDog 1/2 ton status

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    Yup, what Estaban said.

    <font color=green>[​IMG]1977 K5 GETTIN IT AWN[​IMG]</font color=green>
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  5. wayne

    wayne 3/4 ton status

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    Axle shafts are the same as long as they are single wheel axles. The dually had 2 different width axles, 1 was for a standard truck and 1 for a cab and chassie model. The difference is the brakes and the spring perch and shock mounts. I have seen 3/4 ton ones with the big brakes like the 1 ton but usually they are smaller.

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    <font color=blue>Wayne<font color=blue>
    <font color=blue>Happy Trails<font color=blue>
     
  6. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color=blue>Besides the spring pads, the drums are larger on the 1 ton 14 bolts
     
  7. thatK30guy

    thatK30guy 1 ton status Premium Member

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    3/4 tons can have either one of two different drum sizes. 11" and 13".
    1 tons have 13" drums but are 3.5" wide, where the 3/4 ton 13" drums are only 2.5" wide.

    Other than the spring perches and shock mounts being different, and the drum sizes, EVERYTHING ELSE IS IDENTICAL. [​IMG]


    I'm not picking my nose...I'm just pointing at my brain!! [​IMG]

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