very easy to do, the amount of people who ask this is unbeleievable but i dont care answering over and over. if you wanting to put the 1.3 gearbox aswell as the engine your best to buy an accidents damaged 1.3 and scrap it when finished. youll need the engine and gearbox obviously, but when changing gearboxes youll need, the front right gearbox mount, rear gearbox/engine mount, gear linkages, engine loom, driveshafts. either that or do what everyone else does and keep the 1.0 gearbox in and change the flywheel and clutch over....