1994 Hyundai Scoupe

Engine Performance problem
1994 Hyundai Scoupe 4 cyl Front Wheel Drive Automatic 164444 miles

have loss of power when going up grades or speeds of excess of 40mph some foaming in oil no real coolent loss some mositure from tailpipe
Tallgrass 714
January 17, 2010.

Have you checked to make sure there is no oil and coolant mixing? Catalytic converter?