Dash gauge panels are SUPER easy to do. Just buy your gauges (auto meter, stewart warner, vdo, even Summit brand work and look nice for short money). Then trace your existing panel out on a peice of sheet aluminum and cut it out (you can use a $50 dremel tool)...
Then place all your gauges where you want them and cut them out with hole saws. once it is all trimmed and fit, sand it, prime it, paint it, and clear it, or polish it, cover it with vinyl, the sky is the limit...
I have done them in 2-3 hours and they look factory in hot rods... The sheet metal is easy to source too, home depot sells it, lol I have sheets of it from years of doing this ****, but you can get just what you need. You can even take it to a machine shop and have them machine it out for you, machine in a design, or what ever. For a 68-70 b-body I would do the 3 pieces, (radio and glove box bezel).
I have been really liking the single gauge look, just a nice 4 in one gauge dead center.
Also a friend of mine who owns a hot rod shop does his with thick plexi glass, you can not tell the difference once it is painted or covered with vinyl, and he says its easier to fit and he can heat them up and bend and contour them pretty much perfect, he did a 40 ford dash that the entire left side lit and blinked for the left blinker, the right did the same, and the center lit up as a shift light, it was pretty cool, he used that 1 way pain so the leds shined through it...
