It is best to prepare your engine prior to swap over.
We stripped the engine back to the bare engine block with no ancilliaries attached, then painted it in heat resistant paint.
We bolted on the new turbo, re-attached the alternator, air conditioning pump, and the various transfer pipes.
We retained the existing gearbox, this was easy to swap with the engine on the floor, it required removing the existing 8 bolts and refitting to the new engine.
A quick tip whilst transferring the new engine is to block up the inlet ports with some clean rags or tissues to stop dirt/bolts/small children dropping into the engine during the change.
To make it easier in refitting, we again removed the chassis from the subframe, this gives the access to lift the engine into its approximate position.