Thread: Block id??
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01-04-2009 03:23 AM #1
Just look for the steam holes between the cylinders, if it has the heads off. If not, check the vibration damper for a balance weight, or the ring gear for a weight. The 400 is the only externally-balanced SBC.
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01-04-2009 05:14 AM #2
According to morte, considered the bible of chevy casting numbers to some. It is a 1969 302, or 350, with the 4 bolt main caps. Link # 1 is the block casting #s. Link # 2 shows how to find the block casting date on your motor for the year it was made. The 2nd link is titled casting # locations, but also in the first paragraph it gives the date location along with the casting location.
casting #s
http://www.mortec.com/castnum.htm
casting date
http://www.mortec.com/location.htmLast edited by mooneye777; 01-04-2009 at 05:26 AM.
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