3 ms·
The seal between the piston and the cylinder isn't perfect, so when the engine runs combustion products will mix with the oil, making the oil eventually unusabl
by 6yyyyyy 2mo ago
The seal between the piston and the cylinder isn't perfect, so when the engine runs combustion products will mix with the oil, making the oil eventually unusable. That's why ICE engines meed oil changes so often.
- loeg 2mo agoAnd in fact it is necessary for it to be imperfect, and the oil is what lubricates the interface. So it is necessarily exposed to lots of heat and pressure.