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High-Mileage Jimmy

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Shakespearesdad, Jul 20, 2002.

  1. Shakespearesdad

    Shakespearesdad Registered Member

    Joined:
    Jul 11, 2002
    Posts:
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    Location:
    Dallas/Fort Worth, TX
    I bought My '88 Jimmy new and have now racked up 323,000 miles. I killed the original engine when it had 275,000 miles on it( Heavy boat, mountain road, stuck thermostat,nowhere to stop, BIG BOOM) I replaced it with a crate engine and have had no problems.
    Anybody else have a high mileage truck? Any idea on tranny life? 700R4
     
  2. Rebel88

    Rebel88 1/2 ton status

    Joined:
    Sep 7, 2000
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    Location:
    Richmond, VA
    from what ive heard 700's are good for about 125,000 miles before needing a rebuild...some go longer but that seems normal from my experiences and others

    Later
     
  3. rusty79

    rusty79 1/2 ton status

    Joined:
    Jul 22, 2001
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    Location:
    Hampton Va
    the last accurate reading on mine was around 400,000 miles and that was about 8 years ago the odometer was replaced i bought it with a blown motor and a ragged tranny it still doesnt run got the motor in no money for the little stuff
     

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