Question is "How are the Royal Pontiac Blocks Stamped on the upgraded 1967 428 ci Blocks when they exited the shop." And "How did the Pontiac Factory stamp a Special-Order Block (Such as mine) may or not be: 1967 YK code HO 428 ci Tri-Power with the # 524886 Cam on the assembly line (purely Hypothetical question) here. Just for example: "If Pontiac installed my Motor in a 2+2 Catalina and did not follow the "Edict" just like other GM Divisions would do in the day. Pontiac and others put out some High-Performance Engine with Tri-Powers in spite to Racers and Dealers wanting them on their show room floors. So, what if..." How would the Factory stamp the Block in this scenario?" All constructive answers are welcome, no derogatory answers please, I am on a Fact-finding mission here.
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