Thread: help me id this block
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Old 09-10-2014, 11:30 AM   #3
71K20chevy
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Re: help me id this block
http://www.chevelles.com/forums/showthread.php?t=283806

So it looks like it's a 69-79 truck block, but the casting # doesn't say whether it is 2 or 4 bolt.
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