Early A body 4 speed

the early A four speeds have an 3;09 first gear,,,the tail shaft converts easaly
u need the main shaft and the tail housing from a newer tranny,,,,i did that to the one i use in my 66 its a trunion trans with a 3.09 first gear and converted tail shaft,,,behind a 340 with a blower and 22 inch wide tires,,,