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Cat C15 ACRT

Discussion in 'Ask An Owner Operator' started by Pete475, Dec 13, 2020.

Page 1 of 3
  1. Dec 13, 2020 #1
    Pete475

    Pete475 Bobtail Member

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    Dec 13, 2020
    0
    Good afternoon all.
    I have a Cat C15 ACRT 475hp twin turbo. Motor has 70k on a frame out rebuild. I bought the truck 3 weeks ago and have been running it for a week now. It will run like a raped ape on the flats. But when it comes to hills it falls flat on its face. The cat is attached to a 10 speed and stuffed in a 05 Pete 378. Any ideas?
     
    Pete475, Dec 13, 2020
    Pete475, Dec 13, 2020
    #1
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  3. Dec 13, 2020 #2
    AModelCat

    AModelCat Road Train Member

    27,709
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    Jul 7, 2015
    Canuckistan
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    What RPM are you pulling at?
     
    AModelCat, Dec 13, 2020
    AModelCat, Dec 13, 2020
    #2
  4. Dec 13, 2020 #3
    lester

    lester Midwest's #1 Feed Hauler

    2,814
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    Jan 2, 2012
    NW, Iowa
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    Do you have a boost gauge? Fuel pressure gauge?
     
    lester, Dec 13, 2020
    lester, Dec 13, 2020
    #3
  5. Dec 13, 2020 #4
    Pete475

    Pete475 Bobtail Member

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    Dec 13, 2020
    0
    1500
     
    Pete475, Dec 13, 2020
    Pete475, Dec 13, 2020
    #4
  7. Dec 13, 2020 #5
    Pete475

    Pete475 Bobtail Member

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    Dec 13, 2020
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    No boost but fuel pressure gauge reads 80lbs
     
    Pete475, Dec 13, 2020
    Pete475, Dec 13, 2020
    #5
  8. Dec 13, 2020 #6
    Oscar the KW

    Oscar the KW Going Tarpless

    12,246
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    May 19, 2011
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    What rears are in it?

    You should really look into putting a boost gauge in that thing.
     
    Oscar the KW, Dec 13, 2020
    Oscar the KW, Dec 13, 2020
    #6
    lester Thanks this.
  9. Dec 13, 2020 #7
    Brettj3876

    Brettj3876 Road Train Member

    11,257
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    Nov 18, 2014
    Land of local
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    I'd say that's normal pulling a hill. More info needed
     
    Brettj3876, Dec 13, 2020
    Brettj3876, Dec 13, 2020
    #7
  10. Dec 13, 2020 #8
    lester

    lester Midwest's #1 Feed Hauler

    2,814
    7,473
    Jan 2, 2012
    NW, Iowa
    0
    Its hard to know without having more information. Could have a boost leak. Could be geared horribly. I can't believe boost and fuel pressure aren't standard
     
    lester, Dec 13, 2020
    lester, Dec 13, 2020
    #8
    Shawn2130 Thanks this.
  11. Dec 13, 2020 #9
    Shawn2130

    Shawn2130 Heavy Load Member

    870
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    Sep 20, 2015
    Ontario
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    Boost gauge really help to diagnose some issues along with fuel pressure gauge.
     
    Shawn2130, Dec 13, 2020
    Shawn2130, Dec 13, 2020
    #9
  12. Dec 13, 2020 #10
    GreenPete359

    GreenPete359 Road Train Member

    2,137
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    Oct 21, 2017
    Driving my recliner
    0
    mine is an ‘06 when i bought it she was 475/1650 with a 10spd. I wasn’t happy at pulling hills either. Putting a 13spd in the truck changed everything. She was a totally different truck after the transmission swap.

    just some food for thought.
     
    GreenPete359, Dec 13, 2020
    GreenPete359, Dec 13, 2020
    #10
    Vampire and tommymonza Thank this.
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