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...Vin# on the pad near the oil filter which reads 10S189855 which breaks down as 1=Chevrolet 0=1970 S=St.Louis and 189855 would be the Vin# to ?
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Yep must be a B-Body Vin as '70 'Vette sequential six ran from 100001 to 128566 also not a '70 St. Louis truck either as their Vins had different year indicator digits..
~ Pete