Hey, Have a 86 brat, when I start it , it blows white smoke, after about 4 to 5 min after car warms up it goes away. No water in oil, and no oil in water.

Mine does it too... it's just condensation... if it is white and doesn't smell sweet, don't worry. You may even see some water drip out of the tailpipe... especially on an incline or when excelerating.