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What kind of additive do you put in a detroit locker?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by RingMaster4x4, Dec 4, 2001.

  1. RingMaster4x4

    RingMaster4x4 1/2 ton status Premium Member

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    I just got my FF14 bolt with my detroit locker under the truck and I don't know what kind of additive to put in it.A name brand or anything will be of great help.

    If you build it, the mud will fly!
    72 K5 blazer with a 427 tall deck and TH350/NP205 and 9"of lift with 40"tires.
     
  2. Triaged

    Triaged 1/2 ton status

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    140 weight gear oil (or 90 if you live in cold or want gas mileage). Nothin' special.

    '71 Blazer CST w/ a 400sbc, 4" lift, 36" Supper Swampers, and alot of rust
    <a target="_blank" href=http://community.webshots.com/user/triaged>See it Here </a>
     
  3. RingMaster4x4

    RingMaster4x4 1/2 ton status Premium Member

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    I was told that there is a additive I have to put in there

    If you build it, the mud will fly!
    72 K5 blazer with a 427 tall deck and TH350/NP205 and 9"of lift with 40"tires.
     
  4. Triaged

    Triaged 1/2 ton status

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    Clutch type limited slip devices (LSD's) use a friction modifier. A detroit has no clutches and therefore needs no friction modifier.

    '71 Blazer CST w/ a 400sbc, 4" lift, 36" Supper Swampers, and alot of rust
    <a target="_blank" href=http://community.webshots.com/user/triaged>See it Here </a>
     
  5. RingMaster4x4

    RingMaster4x4 1/2 ton status Premium Member

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    ok thanks

    If you build it, the mud will fly!
    72 K5 blazer with a 427 tall deck and TH350/NP205 and 9"of lift with 40"tires.
     
  6. POFF

    POFF 1/2 ton status

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    The place that built my rear axle told me I don't need to add anything extra for the Locker.

    Never said I could spell!
    '70 K-20 San Diego, CA
     
  7. RingMaster4x4

    RingMaster4x4 1/2 ton status Premium Member

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    thanks


    If you build it, the mud will fly!
    72 K5 blazer with a 427 tall deck and TH350/NP205 and 9"of lift with 40"tires.
     
  8. four_by_ken

    four_by_ken 1/2 ton status

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    All true, just typical gear oil.

    Ken H.


    '86 K5 up and coming
    14 bolt(Detroited),10 bolt,39.5 Boggers rear,
    TSLs front, 468 BBC, 350 trans, 205 transfer
    Rust free in Michigan!
     

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