I know I have been making few threads lately but this one is worrying me. When I first start up my car and let it run for a little while then I rev it up a huge cloud of white smoke comes from the exhaust. I just rebuilt my engine with new pistons, rings, gaskets, seals, mhg, arps. There is no milky oil and no smoke or low coolant. When I wipe my finger in the muffler it has black oily substance in the end. I don't know if the ignition timing is correct. The water temp sensor is disconnected and is also giving me the error code for that. The pcv hoses are not a tight fit and may be sucking in extra air. There is also 7 quarts of oil in the engine which I think it could be putting extra oil back into the pcv system. By the way it's an 89 turbo 5sp. What could be causing this? Thanks