That's not going to work at all. The turbo uses such a small volume of oil and the minimum amount of pull you'd get from a pump is a LOT higher. It would pull the oil pressure and volume down to virtually nil in a second. The drain really does need to be passive, free-flowing and as much of a vertical drop as possible. The oil pump is also going to require that there's enough volume to keep the pump lubricated.
Your solution is going to be much harder to work out and implement than lifting the engine 4 inches to pull the oil pan.
When you finally give to the light don't forget that the return on the pan needs to be fairly precise and must point at a main cap so less oil it thrown at it as will be the case if it's facing a rod. And as high up as possible (I've managed to get them in at about 1/8" from the lip).
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