12.7 detroit upgrades

Discussion in 'Trucks [ Eighteen Wheelers ]' started by prerunner404, Jun 21, 2016.

  1. '07 KW w/53' Conestoga

    '07 KW w/53' Conestoga Medium Load Member

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    Again, awesome info!

    Back when it was set to factory program, I did have to rev it up like that to produce any kind of usable power. Now, I am shifting between 1,500-1,600...1,700 if I really need to get up and go.

    I'm not the fastest off the line, but, most people have a hard time passing me off the line, depending on how loaded I am, the terrain and what's in front of me...I'm a big believer in progressive shift technique, I try to get out of the low range gears as fast as I can and then start pushing the RPM's once I get into the higher gears.

    So, you think a new manifold is going to make a difference? OK.

    I was planning on the BW turbo for sure, but, maybe I'll do that with the manifold next. The exhaust is getting done (again) right NOW, its a 5" in and out...I didn't know what to put on it. I think it had a Donaldson on before...any recommendations?
     
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  3. ChicagoJohn

    ChicagoJohn Road Train Member

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    Chicago
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    The place I recommended also sells the exhaust manifolds. Both ceramic and polished I think.
     
    '07 KW w/53' Conestoga Thanks this.
  4. '07 KW w/53' Conestoga

    '07 KW w/53' Conestoga Medium Load Member

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    Thanks John...polish manifolds are TASTY!!! LOL.
     
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  5. Freightliner Classic

    Freightliner Classic Light Load Member

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    Dec 17, 2018
    Rome GA
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    Bully dog turbo stage 1 and full tilt turbo strait pipes and a fuel restrictor in the line give it more fule pressure
     
    '07 KW w/53' Conestoga Thanks this.
  6. Freightliner Classic

    Freightliner Classic Light Load Member

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    Dec 17, 2018
    Rome GA
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  7. benjamin260_6

    benjamin260_6 Medium Load Member

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    Ontario, Canada
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    9:95 injectors? Are those supposed to be a thing?
     
    swaan and '07 KW w/53' Conestoga Thank this.
  8. ibcalm19

    ibcalm19 Road Train Member

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    Pennsylvania
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    He
    Hello swaan I was curious did you ever do any upgrades to your 14l & if so would you mind sharing. I have one I'm working with. I appreciate it thanks
     
  9. swaan

    swaan Road Train Member

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    BC canada
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    The best bang for the buck is ecm tuning. I recomend diesel control service. Then get a better turbo like a 171702 or depending how hot the tune a 78 or 80 mm turbo .
    That's basically all I got done and runs real good!
     
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  10. ibcalm19

    ibcalm19 Road Train Member

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    Pennsylvania
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    Thanks I appreciate it. What type of fuel mileage are you getting?
     
  11. swaan

    swaan Road Train Member

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    BC canada
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    I average 7 mpg .
     
    Vampire, Willmann30 and ibcalm19 Thank this.
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