If I remember, I'll measure the mounting holes on my factory grille I removed last week. The grille is held in place by a total of 8 clips. 2 on each side and four along the bottom. Also the radiator cover clips into the fame and into the grille so that sort of helps hold it in place.
now, to fit the fog lights in the lower grille you might not have enough space. What bumper cover/lower grille are you going to use?
Now I think your going to mimic the car in the nick cage version of gone in 60 seconds, but the 'real Eleanor' was a 73 or 71 mach 1, painted yellow.
GT500 Front End Swap, Monster H1 Deep Draw Hood, Web Electric Sequential Tail Lights, Smoked Coyote Tail Lights, 2010 Interior Door Panals, 2012 Sun Visors w/ Illuminated Mirrors and Homelink