If you mean the custom version dash, there is a chrome insert that fits through the holes from behind, giving the gauges a sort of extended tubular effect. It is on the chrome tree, near the Corvette-style finned wheels.
Southern Motorsport Hobbies sells a pretty nice resin 79 Malibu 2-door. I have one, and it looks like a good fit on the Cutlass chassis. The other G-body chassis aren't even close. http://stores.smhracing.com/79-malibu/
Link to my pictures of the show: http://s44.photobucket.com/user/sfhess/library/2016%20So%20Cal%20NNL?sort=9&page=1 And Albert Wallace's: http://public.fotki.com/AlbertWallace/model_car_contest/2016-socal-nnl--tri/
I have a couple of the Time Machine kits. What I am looking to do is to convert the Time Machine Cyclone Spoiler II into a "standard" W-nose Cyclone and need the front bumper from something like the old JnJ resin kit (I have one of these) or the newer Barton kit, which is the one shown in Andy Kellock's article in Model Cars. The front bumper in the Barton kit looks pretty good in pictures. There is one on eBay currently.