Originally Posted by Kai
It could be the rings, the valve stem seals, or a bad headgasket... It's usually a toss-up between the rings and valve seals, they usually go around the same time making a full engine rebuild nessicary.
You should also throw in a new fuel filter just because, and might as well add a timing belt tensioner.
Thank you again for the great info Kai
but would you (if you couldn't fix the car yourself and had to wait to get the funds to do the replacement) use stop smoke to get it to passs emissions or just to stop smoking in general? will it harm the car?