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            Original Message        
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		| RE: Another engine ID | 
	 
		| By Ed Foral - 09/16/2000 8:30:27 AM; IP 152.163.195.213 | 
	 
		Mike Many 428, 390 and 360 blocks had no casting part numbers, only a date code. You can try looking in your spark plug holes at your pistons.  If they are flat top, then they are not factory 428 pistons which had a small dish in the center. You can try using a thin plastic rod in a spark plug hole to check the stroke. When all else fails, pull the pan and check the crank and/or pull a head and check the bore/stroke.
  Ed  | 
	 
 
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