Need to change out my 4.11 to a 3.43, (no express way driving) but not sure which shop to bring it to. Also what brand gears are best. 72 GS, 455, th 350 8.5 rear. I'm located close to chicago. Thanks
shop there is suburban driveline located in villa park il its on north ave. jus west of chicago they do good work as far as brand atick to a good gear something like a strange gear or eaton