Most people who do the swap use a Maxima motor and transmission as they are front wheel drive and there are swap kits out there. You can chose an 02-03 maxima motor and transmission setup, is vq35de with a 6spd manual, or 04-07 maxima with 6 spd, or use the vq35de and 5spd from an Altima. My advise is a 02-03 setup. Then you can swap in the gen2 or gen3 vq35de out of new maxima with the nisformance swap kit once you swap in the vq35de into the sentra chassis.
