yes 3.4 or just put valve seals on yours without disturbing the headbolts
assuming its just burning oil and not missing do to a bent or burnt valve
![I Dunno... :dunno:](https://board.marlincrawler.com/Smileys/marlin/dunno.gif)
22RE you'll need a R151 bellhousing to keep your tranny
2.7 -3RZ you will need a w59 bell and i think a different tranny and tcase
but that motor is sweet
a 3.4 will just bolt right in