Photos
  • Photo 1 - Overdrive unit
  • Photo 2 - Torque tube and overdrive shaft
  • Photo 3 - Overdrive unit fitted to torque tube
  • Photo 4 - Axle and torque tube backed out from under chassis
  • Photo 5 - Front section of torque tube
  • Photo 6 - Front section of torque tube with internal shaft exposed
  • Photo 7 - Overdrive splined coupling at rear
  • Photo 8 - Splined shaft for overdrive
  • Photo 9 - Front section of overdrive with splined shaft
  • Photo 10 - Flush plug for breather hole
  • Photo 11 - Breather plug added to oblong plate
  • Photo 12 - Close up of shorter breather plug
  • Photo 13 - Filler plugs at rear of overdrive
  • Photo 14 - Control boxes
  • Photo 15 - Color-coded telephone jacks
  • Photo 16 - Signal generator sensor
  • Photo 17 - Master switch
  • Photo 18 - Manual switch
  • Photo 19 - Speedometer hook up
  • Photo 20 - Speedometer gear in overdrive
  • Photo 21 - Bottom of overdrive unit showing drain plug and plate
  • Photo 22 - Overdrive sump filter
  • Section 1 - Disconnecting Torque Tube
    Section 2 - Removing the Front Section of the Torque Tube
    Section 3 - The Mathematics of an Overdrive
    Section 4 - Checking Universal Joint and Bearnings
    Section 5 - Installing Overdrive in Drive Line
    Section 6 - Overdrive Lubrication
    Section 7 - Connecting Speedometer and Electric Controls
    Section 8 - Hooking up the Electronic Control Box
    Section 9 - Hooking up Speedometer and Calibrating Output
    Section 10 - The Overdrive in Operation
    Section 11 - Overdrive Service
    Section 12 - Crusing in Overdrive
    Endnotes - Endnote
    Table 1 - Silver Ghost Rear Axle Gear Ratios Comparisons
    Table 2 - Engine Revolutions per Tire Turn
    Table 3 - Overdrive Speedometer Gears for the Silver Ghost