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Max Boost

Discussion in 'Trucks [ Eighteen Wheelers ]' started by dr1c, Apr 27, 2011.

Page 1 of 2
  1. Apr 27, 2011 #1
    dr1c

    dr1c Light Load Member

    75
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    Apr 10, 2011
    Alberta
    0
    Just wondering what is a good max boost for a C-15?

    I have a Cat C-15 (MXS)475 hp and I get 62 psi on a good day and 60 psi all the time.
     
    dr1c, Apr 27, 2011
    dr1c, Apr 27, 2011
    #1
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  3. Apr 27, 2011 #2
    DL550CAT

    DL550CAT Road Train Member

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    That sounds to high. I am going to guess that your wastgate hose is plugged.
     
    DL550CAT, Apr 27, 2011
    DL550CAT, Apr 27, 2011
    #2
  4. Apr 27, 2011 #3
    Prairie Boy

    Prairie Boy Road Train Member

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    Edmonton, AB
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    35 to 40 is plenty.
     
    Prairie Boy, Apr 27, 2011
    Prairie Boy, Apr 27, 2011
    #3
  5. Apr 27, 2011 #4
    07-379Pete

    07-379Pete Crusty Commando-Pete

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    62 psi? Thats about what a 625hp cat makes. Med to upper 40's for a stock MXS 475 is normal.
     
    07-379Pete, Apr 27, 2011
    07-379Pete, Apr 27, 2011
    #4
  7. Apr 27, 2011 #5
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    My 5EK gets 30 psi max. I think it's not enough boost, Am I right or wrong ?
     
    Diesel Dave, Apr 27, 2011
    Diesel Dave, Apr 27, 2011
    #5
  8. Apr 28, 2011 #6
    dr1c

    dr1c Light Load Member

    75
    11
    Apr 10, 2011
    Alberta
    0

    Nope not plugged....that is normal for this truck so I figured all good
     
    dr1c, Apr 28, 2011
    dr1c, Apr 28, 2011
    #6
  9. Apr 28, 2011 #7
    dr1c

    dr1c Light Load Member

    75
    11
    Apr 10, 2011
    Alberta
    0

    Really? guess I'll try to plug in to it tomorrow to see what the computer says
     
    dr1c, Apr 28, 2011
    dr1c, Apr 28, 2011
    #7
  10. Apr 28, 2011 #8
    Jfaulk99

    Jfaulk99 Road Train Member

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    Couch
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    My MXS stock 475 would only do MAYBE 55 on a hard pull. 45-50 was normal.
    Not for an Acert.

    Sounds normal for a 5EK-6NZ-MBN. A blocked off wastegate might raise it to 35-40 but you wouldn't see any benefit.
     
    Jfaulk99, Apr 28, 2011
    Jfaulk99, Apr 28, 2011
    #8
  11. Apr 28, 2011 #9
    dr1c

    dr1c Light Load Member

    75
    11
    Apr 10, 2011
    Alberta
    0
    I'm sure I'm stock...my truck is heavy even under bobtail conditions about 54,000 lbs so i'm kinda pulling all the time i guess
     
    dr1c, Apr 28, 2011
    dr1c, Apr 28, 2011
    #9
  12. Apr 28, 2011 #10
    Superhauler

    Superhauler TEACHER OF MEN

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    not on an acert mine puts out 70lbs, but i dont run it there. pdi flash. before flash 45 to 50 is normal on a acert.
     
    Superhauler, Apr 28, 2011
    Superhauler, Apr 28, 2011
    #10
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