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If by "published" you mean a book, I know of none specifically for a C3.There are books but more of a general nature. You can find magazine articles http://www.corvettefever.com/project...ine/index.html
but the forums such as here and LS1 tech will probably be best. I am in the middle of a swap right now on a 74, but most every swap is different. What engine, trans, steering, accessory brackets, ect much less budget will make each swap somewhat unique.