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  1. G

    Breaking down and asking for help

    Good call. I wanted to pull it out again to wrap it so I'll try some sealant on that joint as well. I know the acoustics can get bouncing around but by my calibrated ear it is coming at the exhaust manifold level at the front corner of the engine. I threw my scope on it and I couldnt hear...
  2. G

    Breaking down and asking for help

    I thought that as well, exhaust leak or lifter/push rods. But I replaced all the pushrods, lifters, valve springs, and rockers. So that would mean the valve isn't sitting right or worn guides? I definitely checked for play on the guides when I pulled the springs off and I couldn't feel any...
  3. G

    Breaking down and asking for help

    I agree it sounds exactly like an exhaust leak but I couldn't find any cracks in my manifold (wire wheeled it) and one of those new super thick expanding exhausted manifold gaskets. Maybe the crack is so small it develops more when warm, hence the noise increase when warm. I threw a straight...
  4. G

    Breaking down and asking for help

    Sorry for the dark video, but it is taken standing in front of the truck.
  5. G

    Breaking down and asking for help

  6. G

    Breaking down and asking for help

    Regarding the additive I have done a few different oil changes with additives (run about 100 miles and think I've found the next cure) and they absolutely quiet it down but not for long. Yeah, I will get a video of it. I don't know why I didn't think to do that when posting this. It should be...
  7. G

    Breaking down and asking for help

    Thank you all for the replies/suggestions. For my fuel pump I have it mounted way back at the rear tank (I pulled the mid tank). I have to think that it is mechanical at this point and somewhere internal. I'm not going to pulled the heads to fix it, I'll end up driving it until it implodes...
  8. G

    Breaking down and asking for help

    All, Well as the title says hoping for some help. I have a engine tick (not a knock) or tapping that runs with the rpms. I have an 87 f250 with a 6.9. Roughly 171k on the odometer and an ats 088 turbo. After reading virtually every article on here with ticking/knocking I still can't figure...
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