Head Gasket

How long have you owned and driven this car? Has it been a week or a few years? You say half quart oil with each fill up. But A little coolant once. How many fill ups heave you done?
Different cars have a different amount of water come out of each pipe. This is not uncommon to be a different amount left to right.
When the heat riser blocks the right side then most of the exhaust comes through the heat crossover in the intake manifold and out the left pipe. The water comes with the flow as it’s vapor and then turn to liquid in the cold pipes. You don’t see it on a warm engine it stays vapor.

here is a closed heat riser, how much flow comes out compared to open. Yes you can feel exhaust coming out but percentage wise it’s very little.

you don’t have a head gasket problem. But go ahead and change. Them and then prove it to yourself.

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