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Oh, yes, yes it can in two ways, but only if it's so full that the crankshaft slaps the oil.

- As the crankshaft slaps the oil it pushes air into it making air bubbles which break apart and form smaller bubbles as they pass through the oil pump. The oil pump can, potentially, fail to pump and in effect, the engine with too much oil in it doesn't have any oil allowing the engine to weld itself into a paperweight. :/ Provided the pump does function, it pumps oil foam instead of liquid oil. The foam has vastly inferior lubricating ability and metal-to-metal friction and grinding can occur. Also, hydraulic lifters can collapse causing wear. Hydraulic timing actuators and chain/belt tensioners can fail allowing the engine to operate out of time and possibly even having pistons smash into valves which is undesirable.

- At high engine RPMs the crankshaft can smack into the oil hard enough to snap. This makes a lot of noise and important pieces of the engine can be ejected. This can be dangerous and expensive but also entertaining, if you're the sort who likes big boom noises and clouds of smoke. If you're really lucky the car can turn into a bright yellow blob of fire with lots and lots of stinky black smoke.

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Q: Can a car overfilled with oil cause the engine to blow?
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