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Old 09-22-2009, 09:06 PM
  #7  
OneBadGMC
Senior Member
RACING JUNKIE
 
Join Date: Sep 2007
Location: Belleville, IL
Posts: 658
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You checked the converter bolts, but did you check the flexplate bolts in the crank?

At idle and light load with a lopey cam, it'll sound like a rod knocking.
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