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  1. S

    Regulated Return Pressure

    Bump
  2. S

    Regulated Return Pressure

    Ok so I have done a fuel bowl enhancement on my 6.4 which is to supply both hpfp's and regulated return fuel pressure. As far as I know the stock fuel bowl regulates return pressure to 3 psi +/- 0.5 psi. So my questions is if I should set it to the stock return pressure of about 3, or higher to...
  3. S

    6.4 Rebuild - Valvetrain Movement ('Lift') - Very Little

    Yup just did a 6.4 rebuild and torqued to the book specs. Requiring only half be torqued then the motor turned 180 degrees and the others torqued etc. All of my components snugged up and were not loose as you describe. Also used KDD heads. Also might be worth while I soaked my lifters for about...
  4. S

    2016 f250 6.7

    No idea what the CEL is?
  5. S

    Red vs. Green Fuel

    Thank you boys for the lessons!
  6. S

    6.4 Accelerator Pedal Position

    From what I read the APP values should always be in line. My trucks value vary at time and recently have a freeze frame due to a different code but it shows APP E and D to be about 4% different. Is this cause for replacement? Anyone have experience with this?
  7. S

    Red vs. Green Fuel

    Oh ok. But there is physically no difference in the fuel? All just tax related? I had figured it was less refined
  8. S

    Red vs. Green Fuel

    Sorry boys I thought the red stuff was off road diesel and not Ultra Low Sulfur. Always a good day when you learn something.
  9. S

    Red vs. Green Fuel

    I wouldnt do it for the main reason these trucks were never designed to run on anything except ULSD.
  10. S

    6.4L Injector Timing

    Ill try to keep this quick and simply as Im sure this topic has been brought up before and will likely ruffle some feathers. On the matter of 6.4 injector timing measured in degrees before top dead center, what kind of figures do you guys see? Would like to know your idle figure, maybe a couple...
  11. S

    Issues with Ford supplied HPFP's?

    Throwing in my .02 here. Have done some reading before on K16s and the remanufacturing process. If its true Alliant just reboxes Fords reman pumps and turns a profit. But neither of them actually reman them. Continental(who purchased Siemens) does the remanufacturing. Some other options might be...
  12. S

    No start after injector swap

    Curious on the injector install. Did you put the metal crush washers on the bottom of them? What was your final torque on the injector hold down? My guess is youre getting fuel if you read 5000 frp and have black smoke. But not compressing enough for ignition. Keep us informed
  13. S

    New Harley Build Advice Needed

    Oh this setup could likely make many more ponies. I just wanna keep her somewhat tame and reliable. Fuel only too. Cant wait to dyno it. Who knows could make 800+
  14. S

    New Harley Build Advice Needed

    Youre welcome dude. Here to help when I can! Hoping to be in the 750 range. What are your goals with your build?
  15. S

    New Harley Build Advice Needed

    Just to give some feedback here about some vendors. DDPM was very helpful in my build. He is sooo knowledgeable! Even knows tidbits like how the international piston are 5 thou shorter than stock ford pistons. I trusted him with his stage 2 rebuild kit, got the rcd cam upgrade and it runs...
  16. S

    Dual Fuelers

    Thank you for your input! I definitely prefer it as well more stock on the routing. Some engineers were paid well to figure out the amount of wrap required on these pulleys given the amount of force within the tensioner.
  17. S

    Ccv

    I dont see why you couldnt go to catch can and then back to the intake? I always worry with an exhaust if the venturi isnt placed perfectly it could backfire. I prefer the suction factor of the intake guaranteed to pull on the ccv system. Where hooked into the exhaust could potentially not have...
  18. S

    Valve bridges

    No problem. Ive got the full ford service manuals for 6.4's. So if you want any torques or info please feel free to me. Maybe exchanges numbers and I can send you over pictures of whatever page you need from the books. Just got done with my build and started her today. What an amazing feeling...
  19. S

    Valve bridges

    I found nothing in the ford manual about the orientation of the 6.4 valve bridges. Actually when I took apart the stock motor they were in ever which direction. Some intakes/exhausts had the oval toward the center some had the oval facing outwards. When I put in my Manton valve bridges I did...
  20. S

    Dual Fuelers

    **** may be in a pickle then. I love injector rattle as much as your sarcastic comments on my post as well as others. Also thanks for answering the belt routing question :P

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