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3406E vibration and very slight mis at higher rpm

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Northwinds1, Mar 11, 2013.

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  1. Mar 18, 2013 #11
    Superhauler

    Superhauler TEACHER OF MEN

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    there has been alot of issues with reman injectors. they seam fine in a cutout test. but are not. i went through this with this 2ws i installed. dynoed it did cut out test after cut out test. the boy that i bought this engine from has a mechanic that has his own version of a cut out test where we had it running on 1 cylinder at 2000rpm and showed the fuel flow of the injector during the test not the average at the end like cat's does. found the culprit and been ok since. the clutch, the only one i know of that balances every pc indivdualy is a lipe. not as a whole unit.
     
    Superhauler, Mar 18, 2013
    Superhauler, Mar 18, 2013
    #11
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  3. Mar 18, 2013 #12
    underpsi

    underpsi Road Train Member

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    Is it safe to run it at 2000rpm on 1 cylinder?
     
    underpsi, Mar 18, 2013
    underpsi, Mar 18, 2013
    #12
  4. Mar 18, 2013 #13
    Superhauler

    Superhauler TEACHER OF MEN

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    yep but sounds really odd!
     
    Superhauler, Mar 18, 2013
    Superhauler, Mar 18, 2013
    #13
    underpsi Thanks this.
  5. Mar 19, 2013 #14
    Northwinds1

    Northwinds1 Bobtail Member

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    Thanks, I loosened and spun the clutch a half turn on the flywheel. My vibration is considerably less now but still there yet. Got the new damper and hoping that will take the rest of it away. Engine is running great otherwise. Anybody think the injector trim codes are worth switching for alittle more hp?
     
    Northwinds1, Mar 19, 2013
    Northwinds1, Mar 19, 2013
    #14
  7. Mar 19, 2013 #15
    Superhauler

    Superhauler TEACHER OF MEN

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    dont waist the time.
     
    Superhauler, Mar 19, 2013
    Superhauler, Mar 19, 2013
    #15
  8. Mar 20, 2013 #16
    Northwinds1

    Northwinds1 Bobtail Member

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    Mar 11, 2013
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    Has anyone heard of the 2WS serial#'s breaking a crank? Im curious. Also what would be the main things to for in an oil sample with these engines? Thanks
     
    Northwinds1, Mar 20, 2013
    Northwinds1, Mar 20, 2013
    #16
  9. Mar 20, 2013 #17
    Superhauler

    Superhauler TEACHER OF MEN

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    no on the crank. but anything can happen. 2ws was and is a strong serial # engine.
     
    Superhauler, Mar 20, 2013
    Superhauler, Mar 20, 2013
    #17
  10. Mar 21, 2013 #18
    Northwinds1

    Northwinds1 Bobtail Member

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    Good deal. Fyi the vibration is completely gone now after loosening and spinning pressure plate 180 degrees and replacing engine damper.
     
    Northwinds1, Mar 21, 2013
    Northwinds1, Mar 21, 2013
    #18
    joey8686 Thanks this.
  11. Mar 29, 2013 #19
    Northwinds1

    Northwinds1 Bobtail Member

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    Mar 11, 2013
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    Can anyone tell me if its normal for my fuel pressure gauge to drop down to 0psi after i shut truck off? It bounces alot also when running. Its running 78psi idle and about 83psi at 1600. But the gauge needle bounces like crazy. Just curious because i had a fuel line go bad and created miss and low power this week. I changed the line and eliminated shutoff valves. Truck has the original primer pump and return check valve.
     
    Northwinds1, Mar 29, 2013
    Northwinds1, Mar 29, 2013
    #19
  12. Mar 29, 2013 #20
    Superhauler

    Superhauler TEACHER OF MEN

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    yes it could be the gauge. a liquid filled gauge will calm the needle down. fuel pressure should be a little higher 90 to 100lbs is good at high idle.
     
    Superhauler, Mar 29, 2013
    Superhauler, Mar 29, 2013
    #20
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