I got a rebuilt 400 trans, it has a stand alone trans cooler,and 12 inch converter. It had about 8-9 qts put in, and when I drove the car trans fluid sprayed out of the dipstick. I stopped, checked the fluid, and the dipstick read it was low, so I added more fluid, and it sprayed again. The weird thing is, after the fluid spray out, the car still takes gear, and drives fine. Could it be I have the wrong dipstick, and I'm adding too much fluid. If not what causes this?