Add a cup or two of coolant into the oil fill of the engine. Within minutes it will act like sandpaper and open up the bearing journals from the inside. Then the oil pressure will be low because of lack of back pressure. Engine now toast. I don't see the valve grinding paste mixing with the oil to readily.

Here are some ways

Put lots of sugar in engine oil

put iron powder in engine oil

remove engine oil and run the car

remove coolant and run the car

add water to engine oil

And enjoy

Hi Many do this just by plain ignorance every day. lack of maintenance is the main cause. so yes no oil in the engine has to be the quickest way to kill one.

Put lots of sugar in engine oil .

Put lots of sugar in engine oil .

drain the radiator and oil pan, then stat the engine. let it run for about 30 minutes, if it will go that long. the engine should be worthless after that. if it takes that long, really.

Put your seat belt on tight and just drive the car over a tall cliff! Works everytime.

What the government did was circulate sodium silicate through the lubrication system and seize every moving lubricated part.

Here you go, the answer you were looking for. This WILL totally destroy an engine.