Of the color combos you listed, I'd go with the blue/silver. But it's your truck. Gotta make yourself happy.
I used a longer version of that hood scoop on my '74 GT- saddle bronze with an orange GT stripe. When I added the scoop, I had about a 2" orange stripe outlined in black painted above the line of the scoop. I needed the scoop to cover the hole in the hood for the tunnel ram. Do not try to mold in the scoop. They will all crack. Leave it as a bolt on. I had 1 scoop with a the hole for the tunnel ram, and replaced it with one without the hole when I switched to a very rare 429 CJ 3 two barrel intake. The drivetrain was a built .060 over 460 (472), 429CJ 3X2 intake, C6, 3.50 rear gears. Been sitting for 6 years after the timing chain broke. Too rusty to spend much $$ to fix. And no, the intake is not for sale at this time.
I vote black and metalic silver strips or the other way around. If you need help with this, I am learning to paint this summer. Also you should turbo the 460. I know pretty much everything, and what parts can get you there for the least amount of money. I'll get ahold of you later today to talk. haven't been on in months. I could help with fab work. I am doing the welding classes at FVCC right now.
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