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Needed.. Anyone have flow data on factory 1969 DZ 302 heads..!

These heads are from the factory with 2.02 int. valves. 64cc chambers, and carry the camel back humps..

They are not the 462 castings. Casting #s are; 3927186.

Any help will be greatful.

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I'll aahhh, Catch Ya Sleepin'
 

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Tony,

One of David Vizard's books, How to Build & Modify Chevrolet Small-Block V-8 Cylinder Heads, has a lot of information on "old school" cast iron cylinder heads. The 186 casting is discussed at length and there were several flow tests included. Certainly worth picking up a copy for David Vizard's commentary if nothing else; the guy knows his stuff.

Hope this helps.

Regards,

Stan Falenski
 
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