share details of condition of body and wiring of your car. what are problems with existing engine? mostly people go for toyota engines in charage. in my opinion cultus carby engine can save you from problems of wiring also if can fit.
Its been a year since I exchanged my old CB 23 engine with a Qabli CB 23 in my Charade. It was complete (Wiring+Gear Box). Mashallah se it is working flawlessly.
Average on Cng: 135 km in one tank.
Average on Petrol: 13kmpl in city.