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Old 11-12-2007, 03:02 PM
  #14  
SST4530
Senior Member
DYNO TECH
 
Join Date: Feb 2004
Location: Leonard, Texas
Posts: 414
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Not sure how you vented the block but maybe it got into the headers through the evacuation system. Could be several different things, busted piston, broke ring, are other things that come to mind.
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