ye i reckon grab a box off nite parts too i mean you got to change the 3a one anyways and if you use a w series box and hilux diff at least your driveline will be bullet proof, then later if you choose you can swap to a gtz motor and you wont have anything else to do or swap,
Toyoda you talked to Karl Skewes yet or Drifter4ag yet if you havnt got hold of brendon ??? cause remember x2 on some of the work for my car too, just gotta hurry up and slam it first