i have a 8.75 323 rear plan on putting in my 65 cuda thinking about changing to 3.55 gears will i really feel much of a difference? car wont see the race track just cruising and car shows and toying around town. oh and one more thing has a healthy 904 trans plan on keeping in the car was told have to change drive shaft or shorten mine? any one know if one will go right in from another mopar?
