Designing a cooling system

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Hi guys, I'm building a Cozy IV aircraft (a derivative of the Long EZ by Burt Rutan), and I plan on installing a liquid cooled engine. http://www.cozybuilders.org/

Why am I posting here?

Well you guys are probably among the most knowledgeable people about WWII era fighters that used liquid cooled engines (which is nowadays pretty much a lost art, most GA aircraft being powered by air-cooled piston engine). And also it's a nice change from this plane is uber... bla, bla, bla...

So I'm looking for BF-109 (or other liquid cooled engine fighter (P-51s, Spits, etc.)) pictures, plan, production diagram, etc. that show their radiator and ducting system (inlet construction, form and size of the ducting, radiator position/size, exit construction, etc.).

Regards,