1983 Mercedes Benz 320sl

Transmission problem
1983 Mercedes Benz 320sl V8 Two Wheel Drive Automatic

i have a 83 mercedes 380 sl. I've never been able to level out the transmission fluid level on the dip stick. I recently replaced the filter and pan gasket and added 6 quarts of fluid ( the owners manual says the capicity is 8 quarts). When warm the dip stick reads about 3 times too high. This is the original dip stick ( I checked that first). After driving after the filter and gasket change the pan gasket began leaking as if there was too much fluid or pressure. What am I doing wrong?
August 31, 2009.

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