Cat C15 ACRT

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

  1. Pete475

    Pete475 Bobtail Member

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    Dec 13, 2020
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    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?
     
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  3. AModelCat

    AModelCat Road Train Member

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    What RPM are you pulling at?
     
  4. lester

    lester Road Train Member

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    Do you have a boost gauge? Fuel pressure gauge?
     
  5. Pete475

    Pete475 Bobtail Member

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    1500
     
  6. Pete475

    Pete475 Bobtail Member

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    Dec 13, 2020
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    No boost but fuel pressure gauge reads 80lbs
     
  7. Oscar the KW

    Oscar the KW No Filter

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    What rears are in it?

    You should really look into putting a boost gauge in that thing.
     
    lester Thanks this.
  8. Brettj3876

    Brettj3876 Road Train Member

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    I'd say that's normal pulling a hill. More info needed
     
  9. lester

    lester Road Train Member

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    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
     
    Shawn2130 Thanks this.
  10. Shawn2130

    Shawn2130 Heavy Load Member

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    Boost gauge really help to diagnose some issues along with fuel pressure gauge.
     
  11. GreenPete359

    GreenPete359 Road Train Member

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    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.
     
    Vampire and tommymonza Thank this.
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