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Engine Block #............

Post questions and answers about your engine problems.. What is this ticking sound I hear while starting? Engine not turning over? Problems with your battery... alternator? Find out here.

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Posted: Sun Feb 27, 2011 12:18 pm
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Joined: Sun Apr 08, 2007 4:59 am
Location: Camp Hill, Pa
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What does the 4 digit engine block number on the FRONT, PASSENGER side pad of the block refer to?

Posted: Sun Feb 27, 2011 3:19 pm
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Joined: Sat May 28, 2005 8:13 am
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It is the build date but it should be 1 letter and 3 #'s
the letter represents the month as in A is 1 which means Jan, B Feb, C March, D April, C May ect, ect..
second 2 #'s is day and last # is the year..

The 3 numbers on the cylinder head represent the last 3 #'s of the Gm part # for that cylinder head..


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