Quote:
Originally Posted by 41Joe
I guess another reason why I was wondering about this is because of something I read online. There was an article that said Ford moved the water outlets to the front of the block to help with the cooling. To me, I'm not an expert, that seems like it would prevent coolant from reaching the back of the block. Or is there some other design inside the water passages that help circulate the coolant all the way to the back?
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The water passages in the deck were revised for the 8BA style blocks. The passage toward the front of the block are small and the passage at the back are wide. This forces a lot of water all the way to the back of the block, then returns it the length of the head. Most of the cool running flatheads I have seen are 8BA style. You can see the differences in this post
http://www.fordbarn.com/forum/showpo...4&postcount=15.