I don't think it will be a 205 block, the 5 was added when the block was revised in 1985 and is known as the Sierra injection block, Cortinas seized production in 1982. Prior to this the blocks were 20 blocks that depicting the capacity, 2 liters in this case.

The engine will fit straight in, no need for any looms if staying with carb, will need to mod the coil negative as DOHC was electronic where as Pinto is mechanical with vacuum advance.

Martin