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Passenger side head

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  • Passenger side head

    What is the fitting for the passenger side rear head just opposite the temperature lead/bell crank? Anyone know where to hook a tach onto a 289?

  • #2
    It's normally occupied by a blank-off plate. Studebaker right-hand and left-hand heads are identical. The ports are made so the water manifold can connect to the heads.

    The head used on the left side gets a plate with tapped hole for the temp sender; the head used on the right gets a blank-off plate (on the rear hole on each case).

    Tach? Depends upon the year of the car, and if you are using a stock tach. Prior to '62 (guess on my part) the tach sender was a unit that sat between the distributor body and cap, and generated a signal to drive the tach. '62 and up simply took a pulse signal off the coil (-) terminal. That's for stock tachs. Aftermarket tachs: you will have to research the specific application.

    Gord Richmond, within Weasel range of the Alberta Badlands
    Gord Richmond, within Weasel range of the Alberta Badlands


    • #3
      Just to be clear, 62 and up took a signal off the coil to a electronic sender, then the tach.

      63 R2 SuperHawk (Caesar)
      spent to date $54664,75
      64 R2 GT (Sid)
      spent to date $62,839.60
      63 Lark 2 door
      51 Commander
      39 Coupe express
      39 Coupe express (rod)

      JDP Maryland


      • #4
        if there is a hole in the pass side head rear plate, it may be for a heater hose - some A/C installations forced you to take the heater hose that would normally connect to the top of the water manifold to the back of the head instead.


        55 Commander Starlight
        55 Commander Starlight