379 mpg

Discussion in 'Peterbilt Forum' started by sharpshooter, Oct 31, 2010.

  1. abyliks

    abyliks Road Train Member

    3,017
    6,758
    May 2, 2010
    ludlow MA
    0
    i get 5.25 mpg in my 95 pete with a 435 cat 8LL/over weighing 100k loaded and 33k empty with a 28' end dump running though the city and the highway at ~67 mph
     
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  3. Licensed to kill

    Licensed to kill Heavy Load Member

    825
    2,434
    Dec 31, 2010
    Alberta
    0
     
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  4. Les2

    Les2 Road Train Member

    5,150
    2,288
    Jul 25, 2008
    kicked back in my lazyboy...
    0
    Don't they have seatbelts for saddles now...? lol
     
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  5. Licensed to kill

    Licensed to kill Heavy Load Member

    825
    2,434
    Dec 31, 2010
    Alberta
    0
    Don't be giving the govnt any ideas.
     
  6. G535600

    G535600 Bobtail Member

    15
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    Jul 12, 2011
    Shelby Nc
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    Can you imagine doing pre-trip lol...
     
  7. freedomsafe

    freedomsafe Bobtail Member

    3
    1
    May 7, 2014
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    I have W900L with a 550 acert 13 speed 3.55 rears 22.5 tires. I average 6.8-7.4 I drive 64-65 mph. Just under 1500 rpm. Installed fleet filters. I drive mostly to Colorado , Washington state. Not bad I'd say for up there.
     
    Last edited by a moderator: Aug 2, 2014
    paul_4lp Thanks this.
  8. freedomsafe

    freedomsafe Bobtail Member

    3
    1
    May 7, 2014
    0
    I have a 2005 w900 550 alert. Free flow exhaust and fleet filters with a 13 speed tranny. I'm averaging 6.8-7.4 @ 65 mph. The last trip I took to Washington state I got 6.8 mph. Also coming across Texas on I-20 set my cruise on 80 mph I got 5.5 mph. I have 3.55 rears also. That's the next thing I'll change.
    :biggrin_25523: :biggrin_25525:
     
    Last edited by a moderator: Aug 2, 2014
  9. mc8541ss

    mc8541ss Road Train Member

    1,462
    1,993
    Sep 22, 2007
    Lower Alabama
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    Mine is a 99 379 with a 3406 e. 10 speed, 3.90 rears and 24.5 tall rubber. My lifetime average on paper is 6.34. I pull a flat, hauling oversize, mostly steel, always heavy in the south. I run 60 - 65 mph most of the time.
     
  10. Passin Thru

    Passin Thru Road Train Member

    1,918
    564
    Mar 8, 2007
    VA
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    Mine: 94 Pete, 500 CAT, 15 over and tall rubber. 6.5 Wbnd hauling 32,000 Balt to Sea. Ebnd with 48 K 7.25 and thats running 5 mph over the speed limit in every state where it was under 75 except NV where it was already 75. I figure, if you run 5 MPH over you gain 22000 miles a year over a 55 mph truck and it sure doesn't cost that much so 33% of that was more profit over a 4 year period. The bad news is the IRS wants their part.
     
    jmluke1 Thanks this.
  11. Fuzzy2116

    Fuzzy2116 Bobtail Member

    47
    1
    Sep 26, 2013
    0
    I just bought a 04 c-15 475 370's with a 10 speed did 3 tanks first tank 4.9 needed fuel filters 2nd tank 5.49 3rd tank 5.58 getting better I get the idle turned down its set at 725 now
     
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