im about to put my engine and gearbox back into my rs turbo, i was going to fit in this order, could do with someone in the know to comment please

bolt engine ( with inlet manifold) to gearbox
fit gearbox crossmember
fit complete assembly from underneath engine bay
fit exhaust manifold and turbo
then fit things like starter motor, alternator, radiator, intercooler etc
finally fuel pipes and all the wiring