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Thread: Any Cummins 12 valve guys on here?

  1. #1
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    Default Any Cummins 12 valve guys on here?



    My recent battle with my tow rig has left me thinking it's time to finally upgrade the old pig. Truck in question is a 97 Dodge 2500 xtra cab CTD with 151K miles. It has the nv4500 and is 4x4. The motor and drivetrain are untouched except for bigger air filter, intake, intake horn, KDP, and a PacBrake exhaust brake. I have been collecting parts for a massive upgrade since I bought the truck about 8-10 years ago. And am ordering the rest of the needed parts tonight. Wanting to make sure (double, triple check) that I am heading down the correct path.

    I am wanting to keep the reliability but wanting a bunch more HP or torque. Real numbers don't really matter as long as I can pull whatever I want, where ever I want, and quickly as I want. MPG doesn't bother me much, some, but not too much.

    Here is what I am planning:

    Compounds using a S300/S400 (S300G 57/65/12 and a BW S472/83/1.10 T6)
    DPS 3 piece exhaust manifold
    4" hi-flow exhaust
    Headstuds w/ new gaskets
    Remove Fuel Plate
    Add AFC Live
    4K GSK
    Adjustable overflow valve
    .055 delivery valves
    60# valve springs
    5x.014 injectors
    South Bend Clutch
    New inline Pacbrake assembly
    New hi pressure boots

    So what am I missing? Am I off track?

  2. #2
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    Default Re: Any Cummins 12 valve guys on here?



    Parts look good sir. now you have a down stream issue that will rear its ugly head. the 5th gear bearing nut. these like to back off and well crunch!

    with your mileage I don't see need to rebuild but I would get in there an fix that issue.

    Lots of info on line about it, as well A1 transmission on 8th in Denver is who we use for the work trucks trans rebuilds. there good and will most likely point you in the right Direction.

    look forward to see it roll some coal!
    ___________
    Crazy- You call me crazy, but you wouldn't know crazy if Charles Manson was eating Fruit Loops on your front porch. Suiciadl tendancies- intatutionalized

  3. #3
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    Default Re: Any Cummins 12 valve guys on here?



    dieseldoc previously posted:
    "Parts look good sir.

    look forward to see it roll some coal!"

    Thank you. Hopefully no one will see much "coal" rolling out of my tailpipe. I understand I will never get rid of it all, but all that black smoke does is piss me off that all that fuel was wasted. Hoping to be able to dial in the HP and torque efficiently with the AFC Live that I can keep the smoke down. Oh well, I am sure I will post photos/videos when it's done, but not going to do a real build thread on here as they never really gather much interest.

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    Default Re: Any Cummins 12 valve guys on here?



    Sounds good Aaron. Hope you enjoy the build it's self.
    I know you will enjoy the power once you get it turned right.
    ___________
    Crazy- You call me crazy, but you wouldn't know crazy if Charles Manson was eating Fruit Loops on your front porch. Suiciadl tendancies- intatutionalized

  5. #5
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  6. #6
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    Default Re: Any Cummins 12 valve guys on here?



    The "little" one next to the big one:



    For a comparison, the "little" turbo pictured is about the same size as the stock HX35.

  7. #7
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    Default Re: Any Cummins 12 valve guys on here?



    Like like it will be fun. Enjoy all that customer Fab to get them to fit. Plumbing degrees needed.
    ___________
    Crazy- You call me crazy, but you wouldn't know crazy if Charles Manson was eating Fruit Loops on your front porch. Suiciadl tendancies- intatutionalized

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