In 1971, then president Ongania wondred why a car built in Argentina didn't have a locally built engine. This led Oreste Berta to build one, eventually developing a V8 engine capable of 420BHP at 8500 RPM.
It now resides in a museum in Cordoba and I'm unsure as to how many were built.
http://www.porsche917.com.ar/bertalr/berta_02_motorv8.htm
