from the looks of the engine, I would start by making sure it actually starts and runs before anything else.
no distributor
coil missing
missing rad cap
etc
how long has it been sitting?
you already have power/boosted brakes, you could source a 60 front axle and swap from the knuckles out onto your existing axle housing
you would need to make sure the engine is original, if it has the holes drilled in the block for the PS pump mount. the carb is not correct for US 1980, I have...