It is burning it. You just don't see it. The problem is this. If you use a heaver oil, it may slow down some of the consumption, but then it takes longer for the oil to get to the bearings on cold starts. I don't know where you live, but based on the temperatures, check the owner's manual for recommended oil weights. Go with the heaviest that they recommend for the temps you live in. AS far as the conventional -vs- synthetic, they will both get used.
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Monday, February 7th, 2011 AT 1:11 PM