can this be done?
 

have 1989 rx7 can get 3rd gen. twin turbo right turn motor, would like to install in above car,need to know if can be done and some tech help. If not how hard to switch to single turbo motor. THIS IS A NON TURBO CAR AT THIS POINT.

YES, get the care the motor comes out of becouse you will need the support items.
Steve Gambone 76 RX4 twin turbo/twin K fuel/2nd gen sport suspension front & rear