th400

  1. K

    75 cutlass supreme, th400 transmission help needed

    So im having fitment issues with the torque converter. the blue torque converter is a new b&m 2400 stall converter and the older rusty one is the one that came in the car. i was told that the b&m stall converter fits 350 and 400 transmissions. the older torque converter goes on with not real...
  2. J

    Rear Gear 3.73

    Guys I have a 85 delta 88 with a 307 with a th400. Recently I swapped my rear gear to a 3.73 seeing how I was going to be running a 32" tire (26s) with the gear. After having the gear installed, my 400 was starting to hit 2nd and 3rd gear before 40mph. So while I was driving, the speed limit was...
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