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m1008 w/ a diesel - What gears in those axles?

Discussion in 'The Garage' started by TopOff, May 29, 2003.

  1. TopOff

    TopOff 1/2 ton status

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    I keep thinking it will be 4.56s in the Dana 60 and 14 bolt. But then with stock tires and a diesel that redlines at 3K RPM it will have a max speed of 55 mph.

    SOOO

    What gears did this M1008 come with?

    Also what tranny and x-case would an 85 M1008 (Diesel) and a 94 M1008 come with?

    Thanks in advance.
     
  2. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    M1008s come w/4.56s. There are no '94 M1008s. Most M1008s came TH400/NP208, some had TH400/NP205.
     
  3. j20m715

    j20m715 1/2 ton status

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    The m1008 will have 4.56 gears, detroit in the rear & MIGHT have a trac lock up frt but doubtfull.

    Trans will be a 400 & t-case will be a 208.

    Very few came with the 400/205 setups.
     
  4. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Once again, 4.56 is the only option...
     
  5. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Mine came with 400/205. I don't think 1008s ever came with front trac-loc unless swapped in by the pool. IIRC, they were spec'd only in the 1030s? Ambulance/Radio trucks I think? Whatever... Point being, I don't think they existed in the 1008 whatever the other designations were...
     
  6. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    I have not taken the time to look it up, but that is the same info (all M1008s were open in the front, only radio/ambulance trucks had the L/S in the D60) I have seen repeated and never seen the BS flag go up.
     
  7. 6.2Blazer

    6.2Blazer 1/2 ton status

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    Yep, 4.56 gears.

    With those gears, no overdrive, and stock tires it will not be a very good truck for cruising the highway. My truck with 4.10's and 35's would cruise okay at 65 mph in Drive (shifted out of OD) but the engine was revving pretty good. Now with 38's and with the 4.10's the engine runs at a pretty good rpm at 65-70 in Drive.
     
  8. TopOff

    TopOff 1/2 ton status

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    KEWL THANKS everyone.

    Was there ever a 3/4 ton M1008?
     
  9. rugger03

    rugger03 1/2 ton status

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    if you have a th400/205 its a M1028A1, have you ever pulled your front cover? You should have a front trac lock, if it has the 205.
    Cheers, rugger
     
  10. BlazerGuy

    BlazerGuy 3/4 ton status

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    No 3/4 CUCV's just 1 tons(technically they're rated at 1 1/4 ton but they're the same thing as a K30).
     
  11. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Nope, open D60 front, now locked. Guy I got it from got it from "said" he got it from the auction just as it came to me, and that it was a 1008. <shrug> Who knows what happens in the motor pool... I was just happy it WAS a 205. /forums/images/graemlins/laugh.gif
     
  12. rugger03

    rugger03 1/2 ton status

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    well can't win them all.
     

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