i have a 85 chevy c10 2wd it has a v8 with a 3 spd with OD when this dies i have a 87 c10 2wd with a v6 automatic when i switch the v6 over to the 85 what do i need to convert with it. ex. tranny support engine mounts. also the v6 is fuel injected and the v8 isnt do i need to move the wiring with the motor?