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#6 |
VIP Member
Join Date: Nov 2001
Location: Florida
Posts: 1,542
Likes: 34
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I've never worked on a 273, but I've seen several forum discussions that mention a different bolt angle as well on the earliest years. (64-65-(66?)) i.e: Edelbrock D4B = early, Edelbrock LD4B = later.
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