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64.5 c-4 66 tq convt
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  1. C4 Transmissions
    I have a torque converter vibration in my 66 GT. I used a 64.5 c-4 and swaped the bellhousing to a 6 bolt, but I used a torque converter for a later model 66 C-4. I read that the splines are different between these transmissions. It all bolted up fine but now I have a speed/RPM varible...
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