Detroit Diesel 71 - 92 series fans

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 8x8, Mar 6, 2013.

  1. 8x8

    8x8 Light Load Member

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    Thanks for your input.
    Because I'm a mechanical perfectionist, new upgraded hi output compressor will be going on with a AD2 air dryer filter & purge kit, also service the Luberfiner 750, but I'll take the cheaper initial route redo the blower seals, I'm sure you are 95% right on this.
    I also found I have a disconnected air control idle valve on the governor, I need to replace with normal idle speed screw assembly.
    Zero coolant in oil, truck had sat for 4 + years, filters were dated 2004, so one can only assume that it had run minimally in that time, the oil drained was uniform in consistency, so figures crossed here no coolant/oil issues.
     
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  3. 8x8

    8x8 Light Load Member

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    So how much do you want for this
     
  4. SmokinCAT

    SmokinCAT Road Train Member

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    Depends on what you want or need.
     
  5. Cranky Yankee

    Cranky Yankee Cranky old ######

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    the biggest advantage of the old 71 and 92 series is they wont quit on you even down a couple of cylinders and 5 lbs of oil pressure
    straight 40 weight always was best for me and when they got wore out just add a gallon or 2 of lucas
    I called lucas pretend oil pressure but in one of the boats it saved me an overhaul midseason
    engine was still running on 5 cylinders and fished everday until herring season closed
     
  6. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    SmokinCAT,

    Is it a 71 or 92 series? Silver?

    Jim
     
  7. 8x8

    8x8 Light Load Member

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    I could use governor assembly if yours has normal manual hi-speed idle adjustment, let me know. Thanks
     
  8. 8x8

    8x8 Light Load Member

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    Jun 3, 2007
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    I could use a spare governor assembly if yours has mech' hi speed idle adjustment
     
  9. SmokinCAT

    SmokinCAT Road Train Member

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    Silver 92.

    8x8, I'm sure it's there, I will have to look when i get to the shop this weekend. I will send you a PM when I know I have it.
     
  10. leerunyan

    leerunyan Bobtail Member

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    Jun 20, 2013
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    The US military still uses the 8v92 that has been updated with ddec electronics in the 8x8 oshkosh. I read somewhere they don't plan to end of life these trucks until 2025.
     
  11. 8x8

    8x8 Light Load Member

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    I have heard the same.
     
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