inner fender/ firewall/ radiator support

[STL_66 Chevy]

need some input from the board. i am getting ready to paint my inner fenders and radiator support. I want to paint the entire engine compartment black but i dont know what type of black. i know that i dont want high gloss. i have always like the look of flat black but it kinda looks unfinished to me unless you are going with a flat finish all over. satin finish seems the way to go but i need your opinions and advise (experiences). i think the stock paint had a texture to it and wasnt smooth. is there a paint out there that can replicate that finish? brands, pics, and does and donts will be a huge help! thanks!