I personally try to get the right part # as that is easier (usually)and satifies my needs, but for a true "super high end resto", you will need to have both... No small feat


'70 Super Bee 440 6 pack 4-spd 4.10 Dana N96 EB5
‘70 Super Bee 440 6 pack 4-spd 3.54 Dana FC7
‘70 ‘Cuda 440+6bbl 4-spd 3.54 Dana N96 EB5 V1W