There was a lot of talk about a year or two ago about this and some other concept models, even using the Plymouth name among others. What I have seen as a consumer is that the parent company (Fiat) has made many improvements in styling for the Chrysler/Dodge and Ram products. They have also improved the interior design on the passenger lines. Being a concept this design, if and when, it comes to market will probably be toned down a bit. The new issue of Motor Trend magazine has info on the new Alfa Romeo Giulia that would be sharing its basic chassis with this concept. It will offer everything from a basic 1.4 Liter turbo 4 too a 3.0 Liter twin-turbo 6 with 503 H.P. They think it will do 0-60 in 3.9 seconds. I don't know if I could afford it, but my Hemi Charger might be in danger of becoming a trade-in.
I saw this used on a TV show, Detroit something. They did the bumpers and grill of a '50s Packard. On TV it looked as good as any "chrome job" from a chrome shop. But for what you are trying to do is not foil so much as it is paint, if your looking to do the same as the link showed. I've seen many others have good luck with many different spray paints, but for my self I use the Alclad products. They offer many of the same colors shown on your link and are designed for styrene. Check it out.
Interesting duel engine build. I noticed in your engine/frame mockup that there is a large gap between the firewall and the rear engine. Have you thought about moving the engines further back on the chassis so that you don't have to add so much to the wheel base ? Maybe mount the blowers on top of the engine to also shorten it up a bit.
I'm thinking that Hobby Lobby may be doing a little down sizing, at least around here. One larger store that I have been going to for several years is closing and they have a sign posted that they were relocating to a new store in another part of town. There is a second store a few miles away that I had not visited for 6 months or more, when I drove by last week they were closed and the store was cleaned out. I don't know when that happened, but it used to be always busy when I visited in the past. The store that they have at the south end of town is still going, but I think I may try to find this new one they are now opening. I'm afraid that Hobby Lobby like so many other retailers are just forced to reduce their number of retail stores in order to stay open. Not a good sign for our economy.
I watched the first show and enjoyed it to a point. My only problem is with the Discovery "voice". #1 one of the main people that the show is following is a man owning a repair/restore business. He drives a '33 or '34 Ford 3 window. The announcer calls it " a model A ". Later in a race between this car and a '56 Ford Victoria hardtop the Ford is called a Crown Victoria. It may have been at one time but some where along the line it lost it's crown. #2 The put up drama with two son in laws sent to find a part for their families Oldsmobile that needs a bearing for the steering box. They are told to spend no more than $25 and they get a part for $30. The usual complaining about getting taken follows. The only problem I saw was they had a Universal Joint not a steering box bearing. They did show a cruise with members of the Islands car club. Some very nice cars with a lot of effort shown by their owners, they should all be proud. My only fear is that Discovery will follow their standard practice of trying to create unneeded drama for what they think is entertainment. This could be a very good show if Discovery would just learn a little more about the automobile and do away with the drama.
Really like the "Big Dog" and this should be great also. I think John's idea of a lighter shade of green or even a white may look good for your scallops . The slot mags fit well with the time frame of the build.
The frames on most of the trailers I recall were a simi gloss black, but some may have been painted to match the main trailer body. I really like the trailer idea, but you may want to look at some trailer pictures. The frame of the trailer seems very short and would be very hard to turn or backup in real life. Look forward to see what all you do with this. The Del Rio is next up on my work bench.
I also would like to see some more long roofs. We must remember that they model companies must be able to show a profit on the tooling which would mean selling many kits. Also some of the requested models are now available thru several resin casters and this my fill your needs. Still I'll keep my fingers crossed that the new Ford wagon does well for Revell and that may get them to consider some additional wagon models.