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Thread: engine blocks differences
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10-25-2009 #4
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- Sep 2006
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Alot, well most Goodwrench blocks will present with made in mexico or hecho en mexico,
check this web site out, they list most if not all GM casting numbers:
http://www.mortec.com/castnum.htm
Personally I will not use them till sonic checked, magnafluxed and hardness tested as most turn up soft.
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