Sound like you have original parts for the engine, they are just chromed now. Those parts really aren't worth more than non chromed parts. Most of the parts you mentioned are special to the T/A and hard to find original. IF they can be returned to there non chromed state and look correct, it's cost and time effective to work with what you have that you know the quality of in your own hands.

Some of the parts could be bead blasted to roughen the chrome so paint will stick and paint them. stock valve cover (T/A), Torsion bars, intake...

Or the stuff like pulleys, master cylinder (check #'s first to see if it's the special one), brakets, sway bar (T/A), that are black, have them blasted and powdercoated semi flat black.

Send to booster to Booster Dewey to have rebuilt and sent back to you unpainted. Then you paint semi flat black.

You might need to send detailed stuff to a chrome shop to have them chemically remove the chrome. Like the carb linkage, hood springs (special for T/A), hood hinges....