help on swap ?'s

[GHOST/^\DRIFTer]

i might buy a 1990 240sx but i dont like the sohc motor,
so i was just wondering what i would need to do a swap to a dohc can someone please list all the parts and prices. also do i have to change the driveshaft.

[RotaDrift]

u can find a crap load of info on this if u search it man