S10/T10 Blazer 4WD V6-173 2.8L VIN B 2-bbl (1983)
CHANGES TO MEMCAL/PROM LABELING FORMATS
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MEMCALs may use either INK-JET or ADHESIVE labels, as shown.
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PROMs will always use ADHESIVE labels with the same format as shown for MEMCALs. These changes will become effective on parts
manufactured after 10/94.