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Thread: Fresh Rebuild hear a valve tick?
          
   
   

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  1. #1
    Dirty Birdy is offline CHR Member Visit my Photo Gallery
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    Fresh Rebuild hear a valve tick?

     



    Hey Guys,

    So my fresh rebuild has about 300 miles on it. Motor was broken in on the dyno, drained of its oil, I installed it, put fresh oil in it, ran it for about 200km and just put fresh oil in again. Being the total stress case I am, I am always checking for leaks after each drive and listening for odd noises. I thought after having a listen I could here a faint ticking noise, reved up the motor and sure enough there is a tick in the valve train. Is it common on a fresh rebuild that you have to re-adjust the valve lash after such a short period of time?
    Car is a 1966 Thunderbird, 390Fe RV cam.
    Running 10W30 Oil (ford Motorcraft Diesel) I was told to run this because of the additives.
    Sorry if these are kinda newb questions, I am an apprentice and still learning, and Im trying to do my best to protect my latest investment in this engine rebuild.

  2. #2
    jerry clayton's Avatar
    jerry clayton is offline CHR Member Visit my Photo Gallery
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    run it with the valve covers removed---check for oiling and also look very carefully to see if the pushrods are spinning---if you find one that is not, you may be loosing the cam lobe and you can further check by measuring the amount of lift compared to others---if you can visually notice its bad, if you have to measure with a dial indicator----write down amounts and check again in a few miles

  3. #3
    Dirty Birdy is offline CHR Member Visit my Photo Gallery
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    Eh so the saga continues, it seems that I have a leak between the block and the oil filter adaptor. Could this cause oil starvation? Oil pressure seems fine.

  4. #4
    DeepRoots is offline CHR Member Visit my Photo Gallery
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    sure, fix the leak. Due to it being on the pressure side I would imagine it would have to leak ALOT in order for starvation to be an issue. With pumps of any kind suction leaks are a much bigger deal.

    I do not have the exceptional knowledge and experience of mr clayton, but I was thinking along the same lines as him. I would at the very least double and triple check the valve lash.
    I always focus on the simple and free things to test out before delving any further.

    best of luck,
    Drew

  5. #5
    hotrodstude is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 2006,ford,f-150,v-6,5-speed manual
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    only the 375/401 horse 390 and the 405,427 and some of the early 352 came with adj.rockers.the rest cam with non-adj rockers hyd lifters. am i missing something???

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