xerios

hi! I searched on the forum before post but doesnt found what i want. for do short, a guy can give me his outback 1998 2,5l. but the motor was blown (crankshaft). one of my friend got a 2,2l motor, 1997 or 1998, and can sell it for 500$. i want to know if the motor fit in the car. if yes, what i need to change? i know its not the same computer. its all? thanks for reading and sorry for my english!