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		| RE: 428 build up - Low compression ratio | 
	 
		| By Royce Peterson - 01/09/2003 10:13:39 PM; IP 63.210.228.16 | 
	 
		Matt,
  These engines used the thin steel head gasket originally, that could be the difference as well as the C80E 6090 - N headsbeing slightly smaller in the chamber than your C6AE-R heads.
  Royce  | 
	 
 
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