the price of parts fluctuate heaps so its quite hard to price anything, well anyway heres a rough guide:
Loom - 150
Ecu - 50 to 100
Exhaust manifold - 250
Intake manifold(get one cut and shut) - 150
T50 - $300
A series Engine cross member - 50 to 100, I will buy anyones ke70 they have spare
A series gearbox x member - $40
AE71 pedal box - $250
AE71 or AE86 rubber engine mounts - 50
AE71 or AE86 steel engine brackets - 50
AE71 radiator - get hyundai
Fuel delivery- Vl pump, lines and some clamps - $60 if you do it on the cheap