also could be your turbo oil seals , if its accessable disconnect your down pipe and see if you have any oil in the pipe. if not then its not the turbotyrodtom wrote: If you mean the smoke is bad when you let off the gas going into the turn, the engine is under high vacuum then and sucking oil past your intake valve seals. You got bad intake valve seals. If you compression is fine, then your headgasket is ok, and the same goes for your rings, I circle track race a 240 on the other end of the state.