Heads 3927186 & 7
Hello, the 68-69 tech info manual & judging guide gives the part numbers for heads as 3927186 or 3927187. (Acually the manual states 3921786, but I think the number should be 3927186, correct me if I am wrong). Has anyone seen the 187 number on 69 cars and what would be the car production date ? What caused the number 186 vice 187 to be used during production? -> I believe it is related to early/mid vice late 69 cars. But I do not know what may have been the cutoff date between a mid vice late 69 car? What would be the latest date a 186 would be seen? Anyone have knowledge in this area? Thx Tony
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