Recent content by mustangmalibu

  1. mustangmalibu

    7.3 idi knocks when warm

    Compression was in the high 300 to low 400 psi range on all cylinders. Smokes is black, but only when you hammer it. No oil consumption to speak of. I removed the timing cover a couple of days ago and noticed that whoever rebuilt it got the cam gear 180 degrees out. I thought for sure that must...
  2. mustangmalibu

    7.3 idi knocks when warm

    Hello all! Awhile back I posted that I had a tapping sound on my 7.3 idi. I have replaced the injection pump, injectors, lifters, and it still knocks when it warms up. When it is cold, and you start it, it purrs like a kitten. A mile down the road, and only when you accelerate, it starts tapping...
  3. mustangmalibu

    Tapping sound on my 7.3 idi that gets louder as it gets hot.

    Right now I'm changing the lifters and I've been doing that with the push rods and I'll let you know how it goes I haven't found a bad lifter yet but I don't know what a bad lifter looks like...
  4. mustangmalibu

    Tapping sound on my 7.3 idi that gets louder as it gets hot.

    I tore it apart already and I just don't know how to tell a bad lifter is all the rocker arms are still pretty tight I see two lifters in a rising position here's a pic. What should I look for? Other than loose pushrods cuz they're all tight
  5. mustangmalibu

    Tapping sound on my 7.3 idi

    Thank you sir. I thought it might be that too, but I had other people telling me it was a fuel knock. Any advice changing those? I have a whole other engine.
  6. mustangmalibu

    Tapping sound on my 7.3 idi that gets louder as it gets hot.

    Thanks for replying. I have done that and they are all tight. Also I forgot to mention that it's only on acceleration that it makes that noise. When i first start it, it runs like a brand new engine. There are still paint marks on the rocker arms where whoever built was torqueing them down, I...
  7. mustangmalibu

    Tapping sound on my 7.3 idi

    Hello all, I've been working for months trying to find out what this knock in my engine is it starts as a tapping as it gets warmer it starts getting louder and louder and louder if you drive it long enough it sounds like it's going to throw a rod. I posted on this form before and I got the same...
  8. mustangmalibu

    Tapping sound on my 7.3 idi that gets louder as it gets hot.

    Okay now I have videos I want to check those out the last one is the one you can really hear the tapping and it's it's not that I'm running it too hot cuz I'm not. I mean it it starts doing this may be a mile from the house so its theat normal operating temperature it's not hot.
  9. mustangmalibu

    Tapping sound on my 7.3 idi that gets louder as it gets hot.

    Hello all, I've been working for months trying to find out what this knock in my engine is it starts as a tapping as it gets warmer it starts getting louder and louder and louder if you drive it long enough it sounds like it's going to throw a rod. I posted on this form before and I got the same...
  10. mustangmalibu

    Tapping sound on my 7.3 idi

    Thank you very much! I will try it today, and let you know what happens...
  11. mustangmalibu

    Tapping sound on my 7.3 idi

    I just changed the oil not too long ago and I've only put Maybe 20 miles on it since I did and it was all trying to solve this problem. I have use Marvel Mystery Oil in the past and it does seem to help a lot of things. But this just seems more than that I mean, it doesn't Rob the engine of any...
  12. mustangmalibu

    Tapping sound on my 7.3 idi

  13. mustangmalibu

    Tapping sound on my 7.3 idi

    Thank you for responding I appreciate it. I have loosened the injectors many times, hoping to get some sort of response but it just wasn't there. When it's cold you don't hear it at all you go two miles down the road and as soon as you drop the RPMs down it starts tapping and as it gets warmer...
  14. mustangmalibu

    Tapping sound on my 7.3 idi

  15. mustangmalibu

    Tapping sound on my 7.3 idi

    Hello all, lately I have developed a tapping sound on my 73 IDI 1992. At first I thought it was my injectors and I tested them they were popping at about 1400 PSI. So I ordered brand new ones from stanadyne and it came brand new in the box. I put those in and nothing changed I failed to mention...
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