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Suburban Diesels?

Discussion in '1936-Present Suburban' started by sanddragon2004, May 16, 2003.

  1. sanddragon2004

    sanddragon2004 Registered Member

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  2. bigblock454

    bigblock454 Clack Clack Clack Premium Member

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    I have a 86 4x4 3/4 Ton th400 J code 6.2 Diesel Burb and got 19mpg driving 65Mph with 3.73s (31" tires) back from New York. With an overdrive I would have hit low 20s.
     
  3. BigBluOx

    BigBluOx 1/2 ton status

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    I'd say that's pretty close to what I get in mine with TH700R4/NP208/3.73/35x12.50x15's /forums/images/graemlins/laugh.gif

    Jon /forums/images/graemlins/burb.gif
     
  4. Ddragggon

    Ddragggon 1/2 ton status

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    yeah, that sounds about right... diesel fuel has roughly twice the natural energy as gasoline, so it takes 1/2 as much fuel to move the truck, or something of that nature.
     
  5. sanddragon2004

    sanddragon2004 Registered Member

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    wow, so how is the reliablity on those systems?
     
  6. BigBluOx

    BigBluOx 1/2 ton status

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    I think like any motor, if you take care of it, it will last quite a long time. My last one lasted well over 300,000 Miles with no major repairs needed. Be sure that any shop you take it to (if you don't do the work yourself) has a clue on 6.2/6.5 diesels...

    Jon /forums/images/graemlins/burb.gif
     

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