2CV Engine - why is it broken? Let's dismantle it! Air-cooled flat twin autopsy

This Citroen 2CV engine was thrown together in a hurry, just before a 5000-mile drive to Croatia and back. The day before in fact. Sadly, odd rumblings turned into a proper clatter, followed by loss of oil pressure. So what actually went wrong? My friend Colin ripped the engine apart to find out. We also started his 1930s Morgan because reasons.

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#citroen #workshop #enginebuild