Guest Dissevered Hello, first post here. Could use some help.79,000 miles, bought used, no clue if the oil was changed regularly. New plugs new wires.Burns 1 qt every 300 miles. Ran a compression test and get 190-200 PSI on all 4 cylinders. Does smoke a little out of the tail pipe, but not excessive. Tail pipe has a bit of build up on it. Does not leak oil while the car is off, yet my right drive axle does look a little shiny, so it may be possible something is leaking out of the pulley's and then the axle is spinning the oil off while it runs. Not sure though, I haven't dug into the car far enough to get a close enough look.Oh and this may be another problem, but I get occasional misfires or similar lag under hard acceleration, and only under hard acceleration.I am assuming the rings and valves/seats are good due to the successful compression test. I am having a hard time figuring out where the oil is going. Only thing I can think of is maybe a bad exhaust valve guide or a pulley leaking. I have read other threads and will check my PCV tomorrow, but am curious as to how this might affect oil consumption? I am moderately knowledgeable when it comes to cars but not enough so, and always looking to learn more.Any thoughts? All help or even random guesses are appreciated.