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Update: A little more research turned up a very interesting fact. The very late model mexican beetles (2000+) were imported in small numbers to Europe where they met Euro 3 emissions. Herbie would be proud.

If I didn't make it clear, the electric motor would drive the stock cooling fan in its original location.

My thoughts on electric cooling is more along the lines of a micro-hybrid setup. A dedicated battery bank, 6hp continuous electric fan motor (borrowed from a neighborhood ev vehicle), and a high output alternator all running at 48V. Quite an elaborate system to run a fan to be sure, but no...

Any experiences with ceramic coatings? I've heard coating the top of the piston can make a significant difference in piston temperature. And supposedly doesn't cost a fortune (so I'm a little skeptical).

Thanks everyone. Some very astute cautions to heed. "Expensive nightmare" caught my eye [smile] One engine builder with extensive experience with the aftermarket aluminum cylinders regularly runs .016 ring gaps or less. These are essentially the same piston/cylinder that Porsche used on much...

Conventional wisdom has it that VW and Porsche gave up on the air cooled engine because they couldn't meet stricter emission standards. Regardless of whether that's accurate, what would it take to adapt more recent strategies and technologies to clean up an 80 year old design? I'm not just...