Used rattle can Ford red for the block. Original was most likely rattle can Ford blue.
Aluminum heads were not painted.
Oil pan was painted gloss black rattle can Rust-Oleum appliance epoxy enamel. Doesn't chip. Original was likely rattle can Ford blue.
Bellhousing, if aluminum, should not be painted. If iron, should be rattle can Ford blue. Although aluminum, painted mine rattle can Rust-Oleum appliance epoxy black.
Trans, if aluminum, should not be painted. If iron, haven't the vagueist idea. T5Z is aluminum and did not paint it.