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  1. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    They will be from turbo diesel Injection in Indianapolis or exergy if I can afford. I have heard a lot of good about tdi injectors plus they are close. I do not need to replace them because it starts and runs great has no issues. Was just hoping it would shut them up.. I'll add 2 stroke...
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    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    Also it is the same if it's 10* out or 80* with engine hot or cold. It was very noticeable when I first went to look at the truck before purchasing. I assumed it would need injectors. I paid attention to how it started ran and any smoking and nothing was alarming or of any indication the...
  3. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I wasn't aware of that. I'm not sure of the fuel before I got it. I'll try adding 2 stroke oil and see if it does anything. I will be tuning the truck soon and maybe that will help. I also plan on going to new larger injectors with in a month. Would be lovely if we could figure out why...
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    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    Mine does it at any rpm or throttle %. My question is what is it and why does mine do it and the lb7 at work is quiet no ticking.... Makes no sense to me. I have heard of other people replacing injectors and they are even louder when they hoped for it to be quiet. There are many videos on...
  5. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    So why does mine Just QUIT at 2900 rpm and runs quiet like they should
  6. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I installed a fass titanium and had no effect on ticking
  7. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    So if new injectors won't fix it wtf is it? Then it's not the injectors. Is it timing related??
  8. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I'll be doing at least 30% over in a few weeks
  9. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    Will new injectors fix this or is it timing/tuning related? Or is there nothing that can be done. . None of the duramaxs at work are like this. .....
  10. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I'm glad other people know what I'm talking about. It's just plain annoying. ... :mad:
  11. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I turn the radio up louder also but with the baby in the truck I can't always do that...
  12. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    Definitely not the valves. It stops like you flipped a switch around 2900 rpm. Truck was government owned till I got it so it was never tuned. 100% stock
  13. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    Will this be of any use to yall
  14. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I'll check with scanner. They are quiet at idle just under load or like above 1300 rpm you can hear them
  15. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    They were loud before the lift pump. So I installed it just in case. They did get quieter a little with fuel treatment. I may try some 2 stroke oil. It's just annoying. And when I start the lb7 lly lbz lmm at work all of them are quiet. Can not hardly hear the injectors. Mine is...
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    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I'm not sure the history on the injectors but the truck was owned by the government since new. It has 190k on it now. I have put about 4k miles on it. I put fuel additive in every time I get diesel. Which has made them a tad quieter. I also added a fass 150 titanium and put a new filter...
  17. R

    lb7 injectors loud under load and completely quiet once I hit 2900rpm ...???

    I have a 03 lb7. Starts awesome hot or cold no missing no smoke idles great runs good. Under load the injectors are loud but once I hit 2900 rpm the sound is gone completely out doesn't fade out it just stops like you flipped a switch .. Does anyone have any idea's? It is annoying even...
  18. R

    Take any less on studs

    Take any less on studs