Originally Posted by s48077b
wanting to put 4.56 gear, I have 3.73. Will I need new carrier?
It depends on what axles you have.
Dana 44 you can use thick gears and you are fine or get a Dana 44 carrier for a 3.92 and up, Dana 30 you are good for 3.73 and above, Dana 35 you are good for 3.73 and above.