Transmission from a 1994 Buick regal can it fit into my 1991 buick lesabre custom
 

my 1991 buick lesabre custom's transmission is completely shot... wont shift from 1st to 2nd and slips in 3rd...

my car is a

1991 buick Lesabre custom 3800
VIN = 1G4HP54C1MH425195


my friend has a

1994 buick Regal custom with a locked up TPI 3800
VIN = 2G4WB15L7RI427198


her tranny is still good and shifting fine.... mine is not.... i was looking online supposedly mine has the 4T60 and hers has the 4T60-E....

though my 91 does not look the same as other 91's and does not have the same gauge cluster... i looked and her tranny has the same things on the front side...

will this be possible... is the tranny from this regal compatible with my lesabre custom?


my AIM = Guccimane407

Any help / advice would be Terrific as i need to do this swap this up coming weekend