How do you build a fast truck?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Freightlinerbob, Oct 9, 2013.

  1. CbarM

    CbarM Heavy Load Member

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    Jan 17, 2011
    Irvine, AB
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    I got a 13 spd .73, 3.73 rears on LP24.5's. 80 MPH is about 1700 RPM n yes, I can pull up a 6% hill no problem grossing 80K lbs in high range lol...I do it in high range grossing 140K lbs on a 7% hill. Pretty wimpy truck not to do it at 80K on a 6% hill...
     
    Cetane+ and jdiesel3406 Thank this.
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  3. Ezrider_48501

    Ezrider_48501 Road Train Member

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    Apr 2, 2011
    bismarck, nd
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    my fld will hold the top side of the box on a 7% grade at 96k and its far far from a high hp truck
     
  4. black ultra

    black ultra Light Load Member

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    Feb 16, 2012
    conroe tx
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    well,no little 650 horse b model is gonna do what I can!!
     
  5. SmokinCAT

    SmokinCAT Road Train Member

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    Hillsboro, OH./ Adrian, MI
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    No one but you brought up a triple digit truck, the guy asked about what it takes to run 75-80.

    If we are doing trucker stories, we used to have a K100 with a 3406A and a double over 12513, and it would run 108 rpm'd out with 4.33s.
     
    wore out and puncher Thank this.
  6. black ultra

    black ultra Light Load Member

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    Feb 16, 2012
    conroe tx
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    Did the guy with the W900 with 3:55's & lp 22.5's not say he could go well over 100 mph ????
     
  7. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    Have no need to do what you can I have my own truck to drive no time to worry about yours. I by no means claim to have a big truck but till you show me some tail lights I don't believe you have either. I have known a guy to sandbag or false advertise it goes both ways I have been shown tail lights on occasion but never without being told they had to work for it.
     
    Rock hauler, CbarM and SmokinCAT Thank this.
  8. not4hire

    not4hire Road Train Member

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    May 16, 2012
    Calgary
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    Hold on, I need to go get something before posting in this thread...









    [​IMG]
     
  9. SHO-TYME

    SHO-TYME Road Train Member

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    Dahlonega, GA
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    Speed costs money, how fast can you afford to go?
     
    Hammer166 Thanks this.
  10. Freightlinerbob

    Freightlinerbob Road Train Member

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    Jan 15, 2012
    West Coast B.C.
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    Drivers talkin' bout loads and women and stuff like that.. and how fast them trucks will go.
     
    7.3 cowboy and carolinacrazyhorse Thank this.
  11. bubbanbrenda

    bubbanbrenda Road Train Member

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    Feb 27, 2011
    Middletown,Oh.
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    18B/3.55/LP22.5's'= 80.8MPH@ 1800rpm
    http://big-rig-road-speed-calculator.blogspot.com/2011/03/semi-truck-road-speed-calculator.html
    feel free to double check my math, even on tall 24.5's its only 87 MPH, your set-up requires 2200 RPM to achieve 98.7 MPH, 2300 required to get 103.2. "Wrapped it up" is an understatement if you were really "well over 100"
     
    Last edited: Oct 13, 2013
    Hammer166, T800H, rollin coal and 2 others Thank this.
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