95 4.0l oil burner?
I just finially put an full exhaust on it from manifold back i put a dynomax system on it. the old system was full of holes. any ways. now i notice the smell of burning oil out the tail pipe. on start up from cold or hot it give a little puff of white/blue smoke. today i had it running and was at operating temp and i left it idling for 10 min and when i came out it looked like a 2 stroke running. i am currently at 2500 miles and i am a just about to the add line. any ideas on the issue here? its a 95 jeep grand cherokke 4.0l