03-27-2009, 06:51 PM
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CC Member
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Join Date: Aug 2006
Cobra Make, Engine: A&C
Posts: 379
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Not Ranked
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Too bad but in a way you may have gotten lucky that the stud let go instead of a more involved and expensive "injury".
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I was thinking about getting the expensive ARP studs but I am glad the valve closed by the stud breaking before the piston bent the valve. Just pushing down by hand on the valve spring it does moves a bit. At least the stem near the spring is not binding.
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The push rod might have gotten hung up/stuck on the newly worn edge (at least it looks like a sharp edge) at the top of the guide hole and forced the stud to snap with an out of time/sequence lift.
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The intake pushrod was bent but it did come out. But the exhaust pushrod where the stud was broken was straight. Makes me wonder what happen first? |
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