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What rpm at 65mph ???

Discussion in 'Questions From New Drivers' started by The Wiz, Jun 4, 2020.

Page 3 of 8
  1. Jun 4, 2020 #21
    Concorde

    Concorde Road Train Member

    4,715
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    Jun 29, 2016
    West Melbourne Florida
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    I have a manual Eaton 18.
    Just for you.. I will see exactly what rpms I’m at when going 65mph tonight. I will post back tomorrow morning with the results.
     
    Concorde, Jun 4, 2020
    Concorde, Jun 4, 2020
    #21
    The Wiz Thanks this.
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  3. Jun 4, 2020 #22
    The Wiz

    The Wiz Bobtail Member

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    Jun 4, 2020
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    My 13-speed Auto is like that it won't go into 13 unless I'm doing 62 63 miles per hour. So that 1400 RPM is that in here 16 or 17 for you?
     
    The Wiz, Jun 4, 2020
    The Wiz, Jun 4, 2020
    #22
  4. Jun 4, 2020 #23
    Swine hauler

    Swine hauler Medium Load Member

    348
    2,233
    Jun 21, 2019
    0
    11r22.5 tires , 3.70 rears, .86 gear is55.6 mph at 1450rpm

    .73 gear is 65.5 at 1450 rpm
     
    Swine hauler, Jun 4, 2020
    Swine hauler, Jun 4, 2020
    #23
  5. Jun 4, 2020 #24
    Swine hauler

    Swine hauler Medium Load Member

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    Jun 21, 2019
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    Concorde must have low pro rubber
     
    Swine hauler, Jun 4, 2020
    Swine hauler, Jun 4, 2020
    #24
  7. Jun 4, 2020 #25
    The Wiz

    The Wiz Bobtail Member

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    Jun 4, 2020
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    Thank you Swone Hauler. Yeah that RPM starting to get up there I like to drive right around 65 66. I wonder if that's too much RPM ?
     
    The Wiz, Jun 4, 2020
    The Wiz, Jun 4, 2020
    #25
    Swine hauler Thanks this.
  8. Jun 4, 2020 #26
    Swine hauler

    Swine hauler Medium Load Member

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    Jun 21, 2019
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    I don't have an experience with the mx motors or their power curves.

    I'm a Detroit man......so listen to @Long FLD , he always has good solid advise.
     
    Swine hauler, Jun 4, 2020
    Swine hauler, Jun 4, 2020
    #26
    stwik, Long FLD and 650cat425 Thank this.
  9. Jun 4, 2020 #27
    Swine hauler

    Swine hauler Medium Load Member

    348
    2,233
    Jun 21, 2019
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    You could put 11r 24.5 rubber on it and be at 66 mph at 1400 rpm.
     
    Swine hauler, Jun 4, 2020
    Swine hauler, Jun 4, 2020
    #27
    MACK E-6, The Wiz and 650cat425 Thank this.
  10. Jun 4, 2020 #28
    Long FLD

    Long FLD Road Train Member

    11,907
    48,924
    Mar 4, 2015
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    Just for reference, you can see the torque fall off at around 1400rpm.

    2072DA54-0989-40A9-B00D-43E9E96AB48E.jpeg
     
    Long FLD, Jun 4, 2020
    Long FLD, Jun 4, 2020
    #28
    650cat425 and The Wiz Thank this.
  11. Jun 4, 2020 #29
    The Wiz

    The Wiz Bobtail Member

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    Jun 4, 2020
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    Yes I see that thank you. That is why I'm worrying about a fuel economy drop
     
    The Wiz, Jun 4, 2020
    The Wiz, Jun 4, 2020
    #29
  12. Jun 4, 2020 #30
    The Wiz

    The Wiz Bobtail Member

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    Jun 4, 2020
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    Thank you, this is a really good idea
     
    The Wiz, Jun 4, 2020
    The Wiz, Jun 4, 2020
    #30
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