usually a 2JZGTE conversion with NEO, install, parts, Seals, timing belt, water pump FMIC system, id say off the top of my head $8000-9000

$2500 motorset
$500 in seals,timing betl, water pump
$1500ish in labor for the swap along with the labor of the maint. stuff
$400 AFC Neo
$1000 for FMIC system
$200 for walbor an install

now it being a 98 im unsure of the obd compatibility