1. driller

    driller Dedicated LVC Member

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    I had this happen over the past weekend...

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    Passenger side secondary chain and sprocket broke. :eek:

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  2. DieselDan

    DieselDan Dedicated LVC Member

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    Geeze!

    Any damage to the valves?
     
  3. driller

    driller Dedicated LVC Member

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    Borescope showed the valves tapped the pistons but the cam is not seized. If it was any other car I would throw some spare parts at it and go.
     
  4. 94m5

    94m5 Dmaup's Daddy

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    wow........Sorry to see this John.
     
  5. UltimateSVT

    UltimateSVT Dedicated LVC Member

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    Geez. Well, it is true that a project car is never finished. They always keep you on your toes.
     
  6. chargerxr

    chargerxr Dedicated LVC Member

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    Wow that does suck John. I'm assuming this was not at high rpm at least.
     
  7. driller

    driller Dedicated LVC Member

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    I was sitting idling in the garage. :eek:
     
  8. Roadboss

    Roadboss Dedicated LVC Member

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    Sorry to see your bad luck John. Does the sprocket look as though it suffered a stress crack, or was it caused by something else? Hope your able to get back in action with minimal effort. Good thing it was at idle.
     
  9. markup97

    markup97 Active LVC Member

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    Seems to be common. The heads I removed from the 03 Aviator had the drivers side secondary chain snapped. The rest of the engine was spotless.
     
  10. driller

    driller Dedicated LVC Member

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    Best I can tell, the break initiated at the integral key. They are (were) the FRPP sprockets with the new timing set used when the motor was built. They look to be iron sprockets?

    From what I've read, the PS tensioner is the culprit in most of these occurrences. Aftermarket kits offer a supposedly superior design along with heavier secondary chains.
     
  11. ford nut

    ford nut Local nut case

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    Hate to see that.
    Sorry that happened JP
     

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