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				01-18-2003, 04:40 AM
			
			
			
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			| CC Member   
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					Join Date: Nov 1999 Location: LI, 
						NY Cobra Make, Engine: ERA / nascar side oiler 
						Posts: 211
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	|    Not Ranked 
 I think core shift was a problem with service blocks . , this was a 67 re-enforced (squared cornered)cylinder wall in original box w/original marks when checked from the machineist , ro rust /pit marks - perfect condition |