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  1. 3970010 010 020

    GM 20 3970010 block trying to find specifics in order to sell..nice block know it's good as the previous (but deceased) owner put the bad blocks out back not next to his toolbox! Don't know if it's worth trouble to verify that w/testing or sell as is, lacking knowledge but see plenty of it on this f
  2. GM 20 3970010 Block CID ID!

    Literally spent every dollar (and leverage all debt) to acquire 7 bay shop full of older blocks cranks cams manifolds carbs NOS parts hardware you name it! Problem being this era is beyond my knowledge (learning fast though) the contents must renew my cash flow soon and shop must be reorganized and
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