Jody if it's smoking a little less it might be the residual oil in the exhaust and not from the turbo anymore. Did you just run it at idle with the down pipe unhooked? I pounded on my turbo to get it to stop smoking. I bet I did 10 WOT runs through 4 gears just to make sure.
I've also had a few turbo's that didn't like a -4 oil feed line, they liked the -3 better another suggestion from Harry.