Per the board:
Originally Posted by Lance SchallIf you are considering crawling under the car to disconnect and reconnect the speedometer, a better idea would be to take a wrench with you, unbolt the rear flange of the driveshaft, and zip-tie the driveshaft to the PPF.
This solves the speedometer issue with leaving a hole in the transmission and will ensure no problems with the transmission oiling (no matter how small the chance of transmission damage may or may not be).