Quote:
Originally Posted by humfrz
I still want to know what is "wrong" with the "defective" valve springs?
* are they or do they just get weak?
* do they break, but stay in place?
* do they break and separate?
* do they break and allow the valve stem slip off the retainer?
* other?
humfrz
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They break. What happens after that could be extremely variable depending on the circumstances at the time they break.
Best case you "run" on three cylinders.
Worst case you jam a valve someplace it don't belong and snap a rod or punch a hole in the head.