you need a Corvette Shop Manual, year specific... but the Alum Dana 44 is a finickey bitch.. you might want to pull it out and get some experienced help setting it up ...the 3.73 gear is a perfect match to the 700r4 .. I started with the 2.87 , swapped for a 3.31, still not enough..finally swapped to 3.73 and its perfect