which one do i have??

how can i tell which model trans. is in my bonnie (if its a 60 or 65) the info is 1998 bonnie ssei 3.8 supercharged 4 speed auto

I would say it is a 4T65-E tranny.......there is an ID tag on the tranny....

4T65E HD, with a 2.93 Overall gear ratio..