Originally posted by CODE4
Most likely worn valve stem seals.

It had a bad smell too. But why not right away on first start up or first thing in the morning? It did it after a long drive on a hot day. I idled the motor 5 mins on a slight hill and when I left it was smoking.
My temp gauge goes to half almost right away after start up and never higher but it seems off and that has me concerned. Car does use oil as far as I can tell but bad valve stem seals usually do it right at start up. It doesn't do anything at w.o.t. so I think my rings arent to blame. If I have to, I'm going to do the head up and timing belt and I geuss water pump too unless I feel like being dumb. At which point I might want to re-ring it and do new bearings in car. And yes in the car with crank in block. I have a trick to push new mains in:) and thrust washers. I need a reliable gas milage car otherwise i would get a can of K&W block seal and call it a day, stuff works for at least 6 months.