C3 Corvette - Replace Speedo Cable Step By Step - Also Royal Purple is Crap

In today's video we walk through the process of replacing a C3 Corvette speedometer cable and we change the differential fluid adding the appropriate GM friction modifier additive for the limited slip (posi traction) rear end. TO FOLLOW AND SEE WHAT WE'RE UP TO:   / impalamansgarage1     / impalaman1234   email: impalaman1@gmail.com #C3 #c3corvette #corvetteparts #corvettelife #Quadrajet