the term "stall" is thrown around so much... and is very dependant on torque input. i.e. a stock smallblock with a certain converter stalls 3000 rpm.... same converter... same trans on a built big block... might stall 4500-5000.
So... in a nutshell... what comparing what different converters stall... is hardly "apples-to-apples".
Introduce the term "0-pump" .... or "6-pump" . This gets away from claiming a certain stall speed in RPM.
Make sense?
Typically a o-pump vigilante is around 3200-3400 stall.
6-pump 3500-3600 RPM
HTH