Will a 727 fit?

I have a 1975 Plymouth Duster w/ a 318 and a 904 trans. Originaly it had the slant 6. I need to know if a 727 will fit in there with no extra work? Seeing as how I toasted the 904. Also what other work will have to be done to get it in there and going. Example, will I have to change yokes, driveshaft, that kinda thing.

Please let me know asap,
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