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77 3/4t

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by bandit, Jun 2, 2001.

  1. bandit

    bandit 1/2 ton status

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    WHAt running gear would a 77 chevy 3/4 have in it?

    AJ
    Soon to wheelin spot near you
    Project Harvey[​IMG]
     
  2. POWERMAD

    POWERMAD 1/2 ton status

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    A buddy of mine has one that has a 350ci,TH400 np208(I think) 14FF and a D44.
    That one is a camper special.
    See ya

    my truck's not dirty, it's earth tone paint
     
  3. Big_Ugly_Diesel

    Big_Ugly_Diesel Registered Member

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    It could have anything from a 250 inline six to a 454 depending on the package it came with. It could have a turbo 350 or a turbo 400 trans, a 203 or a 205 t-case, and it should have a dana 44 8-lug front and a 14 bolt rear. Hope this helps.
     
  4. bandit

    bandit 1/2 ton status

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    Hmm so no dana 60 i found a 77 3/4 for $400 with propane [​IMG] i was hoping it would have a d60

    AJ
    Soon to wheelin spot near you
    Project Harvey[​IMG]
     
  5. thatK30guy

    thatK30guy 1 ton status Premium Member

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    It could also have a 10B front axle, too. Sorry, no D60's on these trucks.

    When In Doubt, Whip It Out!
     
  6. bandit

    bandit 1/2 ton status

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    hmm damn damn

    AJ
    Soon to wheelin spot near you
    Project Harvey[​IMG]
     
  7. Cliffy

    Cliffy Registered Member

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    I thought they didn't start the 10 bolt thing until AFTER 77???

    Coil sprung 71 blazer.
     
  8. POWERMAD

    POWERMAD 1/2 ton status

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    Unless ya already have the 3/4 ton runnin gear $400 aint bad.


    my truck's not dirty, it's earth tone paint
     
  9. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Nope, '77 was the first year they started them. The '77's came in either D44 or 10B. Don't ask me why, but both were available then.
    BTW, the '77's are the "second design" vehicles. This means the spindles are bigger and the backing plates are the full, 1/4" thick plates. And most bearing hubs on the 3/4 tons are internal hubs. Another good reason to keep this year of truck. [​IMG]

    When In Doubt, Whip It Out!
     
  10. johnnysjimmy

    johnnysjimmy Registered Member

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    I picked up a 77' 3/4t with a stout 400 smallie and a new turbo 350. After much reseach and several calls to the local dealer the truck has a 14ff rear and a 10 bolt 9.5 inch ring front with 4.11 gears. and paid 750 oh it also has a 203 with a part itme kit in it all for my JIMMY!!!!!!!!

    73' GMC Jimmy 8" lift and 35" tires.....14 boltff and big 10 bolt on the way
     
  11. 1big78k5

    1big78k5 Registered Member

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    I just parted out a '77 3/4 ton. It had a 14 bolt ff and a Dana 44 with 4.10 gears

    '78 K5 SB400, T350, NP203, 35" Swampers
     

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