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modulator

  1. Transmission, Adapter, Transfercase Discussion
    I am finishing up my swap, 4BD1T to a TH 400/NP 205, and I need help with the vacuum modulator. Allegedly, a TH 400 that was connected to the 6.2L diesel motor from the factory & the CUCVs had some sort of vacuum source that modulated the amount of vacuum needed to shift normally. This set up...
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