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203 or 205?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by KUNIN, Jan 10, 2002.

  1. KUNIN

    KUNIN 1/2 ton status

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    which t-case is better the 203 or 205?and why?
    thanks
     
  2. RUSS84K5

    RUSS84K5 1/2 ton status

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    Hi,

    I would say the 205 is better. They both have basicaly the same low range ratio of 2 to 1.
    The 203 is twice as long as the 205, it has a chain that can stretch over time, and is full time in stock form.

    The 205 is all cast iron, totaly gear driven, short in length witch gives you a better rear drive shaft angle.

    Or you can use the best part of the 203 witch is the gear box front portion and mate it to a 205 with a kit from ORD(OFFROADDESIGN.COM) this getts you to a 4/1 gear ratio and all gear (srong) construction.

    Hope this helps
    Russ Vassar
     
  3. 79k20

    79k20 1/2 ton status

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    <font color=orange>Yeah, what he said.</font color=orange>

    <font color=orange>SEAN<font color=orange>

    [​IMG]<font color=orange>79 K20(duh) D44, FF 14bolt, built 350,TH350,NP203,9"lift</font color=orange>[​IMG]
     
  4. KUNIN

    KUNIN 1/2 ton status

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    i appreciate the input.i have the 203 in my 78 jimmy(driver) and also have a 205 i'm considering putting in my 74 jimmy(project)
     
  5. TorkDSR

    TorkDSR 1/2 ton status

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    but will it fit? something bout a 205 of a 350 is different than a 205 off a 400. id get a little more info. but the 205 is a great case, idid the same swap, but then i put a 700 in front of it. what a mess. and you can even hear the gears when the oiil leaks out. what a safety feature [​IMG][​IMG][​IMG]

    beligerence doesn't justify intelligence.
    <font color=blue>wheelers hate posers.</font color=blue>
    <font color=red>79k15/400/700r4/205/38.5</font color=red>
     
  6. KUNIN

    KUNIN 1/2 ton status

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    i have a donor truck (80 k10)with a 350/350/205 in it that i plan to put into my 74.so hopefully all will go smoothly.it should be a pretty simple swap.i hope!!!
     
  7. TorkDSR

    TorkDSR 1/2 ton status

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    good to hear, cause a 350/205 is a little more rre than a 400/205 and i just wantd youto tink about it


    beligerence doesn't justify intelligence.
    <font color=blue>wheelers hate posers.</font color=blue>
    <font color=red>79k15/400/700r4/205/38.5</font color=red>
     

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