Thanks Tim, I was wondering, maybe this is a "for export" configuration? Here in Argentina in the 60s the fuel available for civil use was very low in octanes, maybe this explains why lowering the compression...
Chrysler Stratus LE V6 1998 Chevrolet C10 235cid 1962 Ford Custom Tudor 300 272cid 1957 Puch SRA 150 1959