The stock long snaky looking E body shifter rods will bend making them end up shorter, which will max out the swivels. Use the bottom hole now and readjusted the positive stops with the tranny in each gear, adjust so the bolt barely touches the shifter lever on the shifter and lock the nut down tight Once they get unusable from power shifting you will need to either straighten them back to original and reinforce them or replace them, if you can find those rods now IHTHs