Colvert - yes I really can't think of any other solution to this other than a very high pressure leak somewhere that may be being burnt off on the manifold or similar, but there is no evidence. So perhaps it is the rings, and maybe its always been like it.
I suppose I just don't like the thought of burning oil, and the engine certainly doesn't seem to lack compression, and its only just hit 62K. I also hate leaving a mystery unsolved, but maybe I should just carry on topping up with oil every 1000 miles or so and stop worrying about it.
I wonder whether the emissions test could pick up burning a bit of oil?
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