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Thread: Small block numbers ID help
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06-05-2019 07:09 PM #1
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Small block numbers ID help
Have a small block that I recently purchased and was told it was a GM crate motor. Upon further inspection I found the casting number 3970010 on the block which I see online as a 69-79 350 2 or 4 bolt mains. Only other numbers I see in that area is a K 1 above the oil filter casting. The numbers on the passenger side deck are confusing to me as they are 151198602 with a space separation and K04. What are these numbers and the K04 designation? The heads are 333882, 74-80 76cc.
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06-05-2019 08:08 PM #2
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One of these web sites should help.Ken Thomas
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06-06-2019 06:52 PM #3
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Thanks, have tried those but these numbers do not match any listings I have seen.
Originally Posted by NTFDAY
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06-07-2019 06:46 PM #4
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Found the remaining info on nastyz28.com. Turn out to be a 1974 350 police T400 built in Canada and the heads are correct as 74 as well.
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