At the worst (which was what happened to these two), the valves put holes in the pistons and pretty much destroyed the heads.
Qaraxan oo goordhow dhacay waxaa lagu gubay gaari Taw ah oo ay saarnaayeen ciidamo katirsan Shisheeyaha, waxaana gaariga la qarxiyay uu noqday labo cad, iyadoona burbur xoog leh uu gaaray.