I reckon it could be that you have homeless people living in your pistons. Seeing as your pistons are quite small, its probably unlikely

In other words, I wish people would stop posting their diagnosis on problems when its got absolutely FUCK ALL to do with the problem. Goes for this thread, and heaps of others too...so fuckin frustrating!!

Anyways, the whining is NOT A BOOST LEAK, its a diff problem...how do I know? Because Subaru replaced 3 of my diffs until the noise went away with exactly the same symptoms

The smoke on start will be condensation, especially if the car is bone cold and has been sitting overnight.