Technical flathead cylinder head cc's ??

I have a set of EAB, 8BA, and 8CM cylinder heads Does anybody know the cc's of these heads?? are they all the same?

 

Knowing the original volume isn't going to be of much use. Most of these cylinder heads have been, over the many years, milled. Your best bet is to do a physical check.

 

In that order, I think it's 71,76 and 76 cc. But check with Bruce Lancaster here

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Taildragger&fenderless