Tis possible but I believe there is a bit more Fabricating for engine/ tranny mounts... And Id use a fuel pump for a DE instead of an i. Look to spend a SOLID week on this project.. Were talking 6 8-10 hr days for most backyard (shadetree) mechanics, With the right tools... I did a e16s Auto to a Ga16i 5spd. Conversion in approximately 36hrs of 2 1/2 days...(I needed the car

) But that was with a lift, air tools, and LOTS of Sentra Knowledge behind me... Oh yea...I swapped the interior while i was at it seeing as how the dash was already out and the donors interior was Perfect...
Back on subject******If you have to do any fabrication for the motor mounts you can add a couple more days/ weeks into the timline... Good Luck!!!