gear oil

  1. Larry

    Transmission fluid - Redline MTL or GL-1

    What's the preferred transmission fluid for a 5-speed X1/9? Redline MTL or GL-1? Larry
  2. AKimball92

    Transmission Oil

    I am approaching the last of my engine build and will be starting the car soon. 1978 1300 with 4 speed trans. I know everyone recommends Redline MTL and many complain of transmission leaks. I am assuming that is because it is much less viscous than other oils. How much Redline MTL should I...
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