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First off sorry to see it. Not being a new Hemi expert, But. I question the broken bolt being the cause. How did the journal that hot after the bolt broke? I say lack of oil. At high RPM centrifugal force is trying to restrict oil going into the main journal. If the main doesn't get enough the rod is starved even worse. Just my 2 cents.
Doug
The mains look good. I am open to any/all theories. The mains seem to be fine as far as oiling goes, but, I'm thinking the oil is not getting out of the main and on into the rod oiling passage. The #3 rod was the only one that seems to have starved for oil. #4 rod had some damage, but I believe it was caused by #3's problems. It would appear that the #2 main maybe oiling the #2 rod more than it's oiling #3 rod. I am having a hard time understanding why the crossdrilled crank is not moving more oil. Just for some more info, the #2 and #4 mains are the only mains crossdrilled on this crank. 
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