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  1. Drive Gear for C4, Speedo Inaccurate

    Classic Cougar Tech
    Does anyone know what drive gear the typical 1967 C4 came with? My speedo is always off by several mph. It's not a linear difference and the gauge reads slower than the car is actually going. When I'm in the city it's off by about 5 mph. Highway speeds it's off about 10 mph. This leads me to...
  2. C-4 Shifting Issues 2nd-3rd Gear

    Classic Cougar Tech
    My C-4 is having a hard time shifting. It shifts fine from 1st to 2nd but won't shift to 3rd unless the engine revving extremely high. It shifts normally when done manually and the fluid level is good. It just started today as I was on my way home. I started shifting hard. I drove it again a...
  3. c4 nuetral safety switch questions

    Classic Cougar Tech
    I need to know if the car will start if the nuetral safety switch is off the car. I have a new TCI sizzler and the thing came with a universal shifter linkage. Doesn't look like it will accept a NSS. Not enough room. Also- The 24 spline tranny secures to the flexplate with nuts to studs on the...
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