for the 300 rpm difference between 3.23 and 3.55 gear set i do not think it is worth the time or money to change i do not think you will feel the difference , now going to maybe a 3.73 gear and you have made enough rpm difference to feel it. as far as gear company to go with see September 26 2022 post on the E-body site in transmission and drivetrain titled 8-3-4 with 742 house.
