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np208

Discussion in 'The Garage' started by motofool, May 7, 2004.

  1. motofool

    motofool 1/2 ton status

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    hey guys im looking ata truck witha np208

    its 350/th400/np208

    are these chain or gear driven?

    are they tough at all?

    im coming off a crappy 203 that never shifted right.

    was gonna go np205 never researched anythign about a np208...

    light to medium off roading and pavement pounding probly 4-6lift (it has 3" or 4" now) and some 36" tires...
     
  2. sled_dog

    sled_dog 1 ton status

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    208s are aluminum cased, chain drive units. I like them just fine. If you aren't falling off ledges onto them with rocks they can be tough. I wouldn't run a healthy big block in front of one but your setup I wouldn't worry about. Heck I'm running a 355, 4 speed, NP241(the 208s non-identical twin brother), and 40" IROKs with locker front and welded rear. You will know if I bust the Tcase, there will be a very angry thread.
     
  3. BlazerGuy

    BlazerGuy 3/4 ton status

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    The 208 is chain driven. It's weaknesses are:
    1. Aluminum case
    2. Slip yoke

    The case usually isn't a problem unless you come down hard on a rock and crack it.

    The slip yoke is a PITA. Especially if you have a 6" lift. You'll probably have to get a C/V shaft and even then it's not good. You might wanna explore different options:

    1. Get a 241, you can get SYE kits for 'em
    2. Get parts from a dodge fixed-yoke 208 and convert yours
    3. Get a 205

    Hope this helps
    /forums/images/graemlins/grin.gif
     
  4. sled_dog

    sled_dog 1 ton status

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    problem with a 241 is this, hard to find. Its harder to find an NP241 behind a 4 speed or a th400(same output). I was lucky enough to locate and purchase an 89 3/4 ton Suburban that had a 4 speed and a NP241. The guy was a little batty up stairs and special ordered the truck the way it was(STRIPPED).
     
  5. motofool

    motofool 1/2 ton status

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    hrm well atleast it should be fine for a while.

    what about a transfer case drop to fix that rear angle?


    might need some help installing a np205 in texas blazerguy you wanna help =p?
     
  6. BlazerGuy

    BlazerGuy 3/4 ton status

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    I sure as hell ain't driving to San Antone.... /forums/images/graemlins/grin.gif /forums/images/graemlins/wink.gif
     
  7. motofool

    motofool 1/2 ton status

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    im moving to above dallas
     
  8. BlazerGuy

    BlazerGuy 3/4 ton status

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    Well [darn].... /forums/images/graemlins/doah.gif I musta been thinkin of someone else. Then I damn sure ain't driving to the metroplex... /forums/images/graemlins/grin.gif
     
  9. motofool

    motofool 1/2 ton status

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    so in other wards as long is this isn't a trail only truck getting beat up alot if should be okay?
     
  10. BlazerGuy

    BlazerGuy 3/4 ton status

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    Yeah, it'll probably be fine strength wise....
     
  11. motofool

    motofool 1/2 ton status

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    *sniffle by by 81 gmc here come 83 chevy..
     
  12. motofool

    motofool 1/2 ton status

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    BAH freaking th400 case is broke!
     
  13. mr_fujisawa

    mr_fujisawa 1/2 ton status

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    [ QUOTE ]

    what about a transfer case drop to fix that rear angle?


    [/ QUOTE ]

    the transfer case drop is real easy. just take the four bolts out of the cross member that attach the cross member to the frame and you will find 1" spacers on the top sde of the frame. simply put them under the frame and you got a 1" drop. i found it easiest to do one side at a time.
    /forums/images/graemlins/waytogo.gif
     
  14. motofool

    motofool 1/2 ton status

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    thanks for letting me know how to do it i was just wondering if th TC drop would fix the angle problems
     
  15. mr_fujisawa

    mr_fujisawa 1/2 ton status

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    might not fix them alone. when i put my 14 bolt in i had to grind off and then re-weld on the spring perches to adjust pinion angle. then after that i still had vibration so i dropped the t-case. that helped a lot. i think you need a combo of both.
     

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