As some of you know, I put a junk yard LT1 in my wagon last year. After a week, I had an engine noise and had to get another engine. I found the problem.
Installing replacement engine
http://www.impalassforum.com/vBulletin/showthread.php?t=201304
Replacement engine failure
http://www.impalassforum.com/vBulletin/showthread.php?t=205552
Second replacement engine
http://www.impalassforum.com/vBulletin/showthread.php?t=206517
This is what I found yesterday. Number 7 spun one fo sho!