Best pre emissions engine for mpg

Discussion in 'Trucks [ Eighteen Wheelers ]' started by John Bertucci, May 20, 2021.

  1. DDguy

    DDguy Light Load Member

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    Apr 21, 2020
    Ont. Canada
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    What turbo and hp would you run with that setup ?
     
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  3. John Bertucci

    John Bertucci Light Load Member

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    Jul 5, 2019
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    I will be pulling light loads, usually mail.
     
  4. John Bertucci

    John Bertucci Light Load Member

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    Jul 5, 2019
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    That is one sweet truck with that huge bunk
     
  5. AModelCat

    AModelCat Road Train Member

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    Jul 7, 2015
    Canuckistan
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    Only Volvo I ever drove had the VED12. Felt pretty gutless. 7th direct with an empty 48' highboy I could barely hold a steady speed up a small hill. Engine brake was about as effective as holding your hand out the window.
     
  6. '88K100

    '88K100 Heavy Load Member

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    Aug 23, 2020
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  7. DDguy

    DDguy Light Load Member

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    Apr 21, 2020
    Ont. Canada
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    60 Series with a few little things done to it so it cruises well at 1350-1500rpm range will probly be your best bang for your buck PM me if you wish
     
    swaan Thanks this.
  8. harold6091

    harold6091 Light Load Member

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    Dec 25, 2018
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    ive had an 07 volvo with a d12. at first it used to give me 7.4 mpg until an injextor went out and swap from single to double tires. after that i never saw more than 6 mpg driving at 64mph 1450 rpm.

    now i currently have a fl century 12.7l. 500 hp tune with a k31 turbo
    i consistenly making 7.8 mpg driving 65 to 70
     
  9. sbaumann14

    sbaumann14 Road Train Member

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    Sep 1, 2010
    Rhinelander, WI
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    Currently….
    03 FLD series 60
    Borg Warner 702 turbo
    Full tilt manifold
    Donaldson pass thru muffler
    Ecm program set up at 550

    I run stepdeck. Can count on one hand loads last year over 30k. Most of my stuff is between 10-23k. No apu but have Espar set up on isolated battery. Consistent 7.3-7.6.

    my cruise is set at 64. Anything above that makes no sense or money to me. 1525 rpm on a straight 10 with 3.70 gears.
     
    olddog_newtricks Thanks this.
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