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#6
11-13-2025, 12:47 AM
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Yeah, you’ve got the right idea on how Holley dated those. The first number is the year and the next two are the week of that year. So an 054 would be 1970, 54th week — which really just means early ’71 production. The “week one” thing wasn’t always a full week either; sometimes it started mid-week depending on how their production calendar lined up. Short weeks like that were actually pretty common.
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