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		2 Attachment(s) Numbers on a 454 
		Attachment 70568Attachment 70567
 
 I have coded the engine to be built between 75-87 and could be a 2 or 4 bolt with the numbers 14015445 but the other numbers on the attached photos I cant decode
 
 I could not open the bottom as it stood end see the crankshaft but heads and pistons is LS-7
 
 Can someone decode the other number attached over the timing chain?  T (or I )D04XCH9
 
 
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		Close to the upper water pump bolt on the passenger side, there should be a 3-digit letter series or number/letter series. Here is a fairly complete list...…
 BBC Engine Suffix Codes
 
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