I just finished replacing my head gasket this past weekend. I have noticed a much larger buildup of burnt oil on my back bumper. When fully boosting, I see a huge cloud of smoke behind me which I assume is burning oil. I am going through about a quart or more a week. I filled the oil full on Sunday and on Thursday, it didn't even register on the dipstick.

Could it be a poor seal with the headgasket? It isn't leaking any oil or coolant from the head.

It doesn't burn much oil under low throttle/boost but when I really step on it, it makes a huge cloud. I did a compression test before the HG job and all the cylinders were normal, so I don't think it is the rings. Could it be the valve stem seals?

Also, the turbo manifold is melting my dipstick. Do they make aftermarket replacements to counteract this problem and where can I find them?