Reply To: Speedometer drive source Welcome to the Allard Owners Club. › Forums › Technical Talk › Speedometer drive source › Reply To: Speedometer drive source December 16, 2022 at 12:03 pm #7493 Neil BennettParticipant Which transmission do you have – is it Ford torque tube? If so, the speedo drive is taken from the top of the torque tube just behind the hemispherical joint on the back of the gearbox. Hope this helps. Neil.