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The question of fitting 400CI heads to the 389CI block comes up on occasion. I found this article from CARS magazine. It shows the reader how to upgrade a 1966 389CI to the "new" 1967 400CI. The article points out what is needed to do this and should help a few of you. :thumbsup:

I Split the article up into 2 posts due to its size.

PART 1
 

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Good read. Thanks for posting.

I assume that the same would apply for the use of edelbrock or kre aluminum heads on a 65 389 ???
 
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