yep like they said 3.73 non trac loc for autos and 3.45 non trac loc for 5 spds. But I am curious why hold off on the 302 swap? My 5L in stock form was managing 28mpg on the highway. Hell my 2.3 was maybe 23-25mpg. My 5.0L actually did better as long as I didnt floor it all the time...