66 Dodge Dart paint

My name is Jim and I have 66 Dart "GT". It will be a while before I'll be ready for new paint but was wanting to get some feed back from you about what y'all think is appropriate. It has a 225 in in right now with a 904 and 7 1/4 behind it. Will be putting a cammed 318 in it with a 727 and 8 1/4 behind that. I do not like the paint that is on it right now. It is a ugly burgundy and black. I had a 71 Dodge Demon that was Hem-orange. Loved it. Was thinking about putting that on it. Saw online that some would say that would be an imposter. I don't see why. Also would it be ok to paint the 318 the same color? The 318 came out of 78 and is blue right now. 727 came out of 72 Satilite. 8 1/4 rearend came out of 70ish Duster. Would it be better to go with red on 318?