This is an interesting vehicle; Emerson Fittpaldi's '67 Beetle, with two 1600 engines, with Okrasa kits, Porsche g'box, for a total of 4.4 litres.
Lots of info at this site
http://www.obvio.ind.br/O%20VW%20Fusca-Fittipaldi%20de%20dois%20motores.htm
but in Portuguese.
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