C3 ‘vette manual overdrive

Discussion in 'Drive Train and Tires: Selection and Modification' started by DorianL, Dec 15, 2017.

  1. DorianL

    DorianL solid fixture here in the forum Staff Member

    The 3.70 rear in my 1969 L46 Corvette is quite annoying on the highway. However, the close ratio is a lot of fun at lower speeds.

    I was originally thinking about swapping in T5 Borg Warner transmission however I understand they are not very strong. Nonetheless, that remains my current plan as I do not intend to throw a ton of horsepowe or torque at it and do not want to spend a fortune on a Mega buck transmission.

    I would be looking for something used to drop it or rebuild.

    Any thoughts on this?
     
  2. Grumpy

    Grumpy The Grumpy Grease Monkey Staff Member

  3. DorianL

    DorianL solid fixture here in the forum Staff Member

    Interesting. I had never thought of a GVO. Makes sense. I’d like to keep my close ratio Muncie if possible.

    This essentially would be like slapping on an OD that I could toggle on and off.

    I’m concerned that it won’t fit under a C3 corvette.

    Searching online for examples of installation
     

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