Detroit Idle RPM

Discussion in 'Trucks [ Eighteen Wheelers ]' started by JSJones Trucking LLC, Jul 28, 2008.

  1. JSJones Trucking LLC

    JSJones Trucking LLC Bobtail Member

    1
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    Jul 28, 2008
    Durham NC
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    Does anyone know what RPM a Detroit 430 is supposed to be bumped up to when idling overnight? I have heard 1000 800 700. Does anyone know for sure?
     
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  3. Pur48Ted

    Pur48Ted Road Train Member

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    Jun 14, 2006
    Grand Rapids, MI
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    I understand it is 1000rpm.
     
  4. Truck Driver

    Truck Driver Medium Load Member

    330
    136
    Dec 5, 2007
    Sacramento, CA
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    Mine automatically goes to 1000 rpm when I bump it up so I guess thats the correct idle speed
     
  5. Mechanic

    Mechanic Bobtail Member

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    Aug 17, 2008
    Barstow, CA
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    1000 - 1100 for optimum fuel economy.

    :)
     
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