200ml, PMSL

Mate, a "wet" test is normally done with a teaspoon or so, not 200ml, lol



As for why a ring would go so quickly, could have been honed badly, or the gaps in the rings lined up wrong, or wrong ring end gap or many other engine building faults, impossible to comment without seeing it with the head off.

No point in you speculating, just take the head off.