Re: 92 4.6 is it junk
I have never seen a carb set up for a 4.6. The best way to get performance out of a 4.6 is to supercharge it. You can put the 99 PI (performance improved) Mustang GT cylinder heads and intake on that block and make decent power about 275HP. Do you know if the tranny is a 4R70W? That is the common auto tranny in mustangs and they can be built to handle good power 700-800HP. I don't think it will mate with a 302 though, different housing.
96 Mustang GT - Stroked, Blown, and Cammed
88 Notch - 460 Big Block Swap in Progress