i have a 97 dkota 3.9 with and a 318 on a engine stand. i was wondering is the radiator fans interchangeable? are the harmonic balancers interchangeable? also by the way i have a 97 dakota 4x4 extended cab with a 3.9 i got a 318 from a 98 jeep grand vherokee with a 44re trans and the wiring harness and ecu. will i need anything else to put in the motor? my motor mounts will work and im pretty sure the tranny will bolt up to the transfer case and i bought a seal that goes between the trans and tranfer case. can u tell me if i need anything else to do this. i am pullung the 3.9 tomorrow and puttin in 318 saturday. thanks guys

 

anyone?