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  1. C

    67 factory a/c question

    My 67 came with the factory in-dash a/c and I've replaced the original compressor with a new Sanden unit. It was actually all in a kit so everything is new (couple of years old). Anyway, I want to know how much 134 needs to be in the system. Also, what should the line pressures be?
  2. C

    c4 tranny problems

    OK here's the deal. The c4 in my 67 has about 8k miles on a rebuild. The car has started to slip bad on the 2-3 shift under light acceleration. Hard or moderate accel and it shifts fine. The modulator valve has been replaced and I've tried adjusting it but it still does it. Also, when I hit...