@farazarif
I'm not sure if the "leading" term that I used was correct, but the basic idea is, that you heat your trim pieces or your body panels with a propane or butane torch, and you fill in a layer of lead - like solder. Then, when it cools down, you can sand it to your desired profile, and pits and dents will be gone. After that, you do your usual treatments for a coat of paint. For your trim, I was thinking gloss black might be the way to go.
If your trim can be made relatively easily with aluminium tube or channels, Make it up, then polish it with jeweller's rouge and a polishing wheel. Aluminium gets a pretty good shine. Doesn't hold any lacquer though, so your best bet is to periodically polish the aluminium trim in question. On the other hand, it's lustre will be a bit like the skin you find on old Spitfires and Hurricanes (staying with the British theme here) so that might signify a nod to the British aviation industry.
Here's an example for some encouragement:
LT1 - Clean up your engine bay
A for the wheels, you can try and find hoops from wherever you can, of the proper diameter and width. Then you'll have to have the hubs machined up. Seeing that it's a 5 bolt design, it should be much easier to machine than a centre-lock with its drive splines. Then you'll have to have the rims spoked to the hub. The great unknowns in this operation are the hoops, the spokes and the nipples - and of course a good wheel builder. Going by examples of bicycles, the spokes are tightened by ear (that is to say, they are rung after tightening, and a similar tone signifies similar tension). After tightening, the is used for a while, then the spokes are re-checked. For cars, it shouldn't be too different.