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Full-Time 4WD w/ Auto Transmission Basics ('79)

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 79Guy, Jul 9, 2000.

  1. 79Guy

    79Guy 1/2 ton status

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    Full-Time 4WD w/ Auto Transmission Basics (\'79)

    Thanks for the helpful replies to my previous post.

    My '79 is stock, with Auto Transmission and f/t 4Wheel Drive.

    Is there an FAQ that can help me understand the basics w/o having to ask questions that probably have been asked 10,000 times already here?

    Particularly:

    1) The "Hi-Loc"/"Lo-Loc" shifter is for locking out the differential in the transfer case. Add on "Lockers" lock out the differential w/in the axle. Is this correct?

    2) What do manual hubs do? Should I want them?

    Thanks for being patient w/ us beginners.

    Mr. Kim

    7 Chiln - 1 Blazer
     
  2. stephan van leir

    stephan van leir 1/2 ton status

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    Re: Full-Time 4WD w/ Auto Transmission Basics (\'79)

    On question #1, Yep you got it right. On #2 The manual hubs are going to save you some fuel mileage due to the fact that the front will not be turning the whole time you are on the road. In order to do it right though you will need to do a parttime convertion on the T- case. Mile Marker makes a good kit that comes with hubs and good clear diretions. It can be one of those things where, If it aint` broke, don`t fix it. Good luck!
     
  3. Jeff427

    Jeff427 1/2 ton status

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    Re: Full-Time 4WD w/ Auto Transmission Basics (\'79)

    Unless you plan on a lot of highway miles I suggest leaving it full-time.

    Jeff427
    <font color=red>Mud Dog Off Road Club</font color=red>
    http://muddogoffroad.coloradok5.com
     
  4. Blazer79

    Blazer79 1/2 ton status

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    Re: Full-Time 4WD w/ Auto Transmission Basics (\'79)

    I suggest you leave it full-time period.

    Installing a part-time kit won't improve your mileage as much as you think and you'll lose a wonderful feature only a few privileged have. (The full-time elite [​IMG])

    <font color=blue>//////
    http://blazer79.coloradok5.com
    </font color=blue>[​IMG]
     
  5. Eric78K5

    Eric78K5 1/2 ton status

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    Re: Full-Time 4WD w/ Auto Transmission Basics (\'79)

    I agree with Blazer79. Leave it full time...there isn't much difference in mileage. And if you add lockers, you can go just about anywhere. The NP203 is just as strong as the 205, it just requires a little more in the way of upkeep!
     

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