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12.7 Detroit manifold

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Jasonar15, Mar 19, 2019.

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  1. Mar 19, 2019 #1
    Jasonar15

    Jasonar15 Medium Load Member

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    they all seem to crack. Will this hurt fuel mileage and is it better to buy a aftermarket like full tilt? If it improves fuel mileage it will pay for itself in no time. Anyone have any input? Thanks
     
    Jasonar15, Mar 19, 2019
    Jasonar15, Mar 19, 2019
    #1
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  3. Mar 19, 2019 #2
    swaan

    swaan Road Train Member

    2,943
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    Jul 12, 2009
    BC canada
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    Yes they all crack and are junk in my honest opinion.
    Yes the bully dog / full tilt are worth it.
    Cant comment on mpg .
     
    swaan, Mar 19, 2019
    swaan, Mar 19, 2019
    #2
    spsauerland Thanks this.
  4. Mar 19, 2019 #3
    Masonkid

    Masonkid Bobtail Member

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    Nov 20, 2017
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    Not sure my mileage improved after getting the Full Tilt from pp, but the fumes in the cab went away.
     
    Masonkid, Mar 19, 2019
    Masonkid, Mar 19, 2019
    #3
  6. Mar 20, 2019 #5
    NinjaWax

    NinjaWax Bobtail Member

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    Feb 25, 2016
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    Well worth it to get the full tilt
     
    NinjaWax, Mar 20, 2019
    NinjaWax, Mar 20, 2019
    #5
  8. Mar 20, 2019 #5
    Deere hunter

    Deere hunter Road Train Member

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    Shallowater Texas
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    You can also buy it directly from full tilt and save a couple hundred bucks !!
     
    Deere hunter, Mar 20, 2019
    Deere hunter, Mar 20, 2019
    #5
  9. Mar 21, 2019 #6
    benjamin260_6

    benjamin260_6 Medium Load Member

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    Aug 8, 2012
    Ontario, Canada
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    It's more expensive if you buy it right from full tilt. Cheaper to get it from one of their dealers
     
    benjamin260_6, Mar 21, 2019
    benjamin260_6, Mar 21, 2019
    #6
  10. Mar 21, 2019 #7
    Jasonar15

    Jasonar15 Medium Load Member

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    Aug 6, 2017
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    Full tilt said $1700, Fitzgerald is $1600 and Pittsburg power is $1450.
     
    Jasonar15, Mar 21, 2019
    Jasonar15, Mar 21, 2019
    #7
    benjamin260_6 Thanks this.
  11. Mar 21, 2019 #8
    Freightliner Classic

    Freightliner Classic Light Load Member

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    Dec 17, 2018
    Rome GA
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    Its a three pice manifold so u could just replace the one pice if you wanted to
     
    Freightliner Classic, Mar 21, 2019
    Freightliner Classic, Mar 21, 2019
    #8
    swaan Thanks this.
  12. Mar 21, 2019 #9
    swaan

    swaan Road Train Member

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    BC canada
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    Just to have it leak and or crack again. No thanks.

    My brand new factory manifold on my factory reman hk60 lasted 18 months and started leaking at the slip joints.

    There junk
     
    swaan, Mar 21, 2019
    swaan, Mar 21, 2019
    #9
    Jasonar15 Thanks this.
  13. May 14, 2020 #10
    Still Glidin'

    Still Glidin' Bobtail Member

    6
    2
    May 14, 2020
    0
    I've seen a lot of people complaining about stock manifold issues on the Detroit 60 and CAT C15 engines. Was this issue specific to those models for some reason, or is anyone still seeing the same manifold leak issues on the modern engines?
     
    Still Glidin', May 14, 2020
    Still Glidin', May 14, 2020
    #10
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