273 engine questions

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Sorry, as a moderator I have to stop for sale and wanted posts when I see them. Send the guy a personal message if you want to ask to buy something.
 
It is possible to have 315 heads on a 66 273, depends on when in the production run the engine was assembled......I cracked open a 66 273 years ago that had one 315 head and one 178 head.....another check would be to verify the intake bolt size.......5/16, 64-65, 3/8, 66 and up.
 
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