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turbo 400
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  1. Engine
    Hey all! Needing some help as I’m about to drop the truck off at the speed shop! Here’s the low-down: On cold start up, the electric choke and high idle work to about 1,000rpm. 700 rpm off cold idle. Hitting the throttle in neutral revs right up cold and hot running temp, no issues. As soon as...
  2. Transmission - Rearend
    I have a TH400 in a 34 Coupe. I ran it hard in 1st gear until the governor shifted to 2nd. Now it won’t shift out of 1st and when you let off the gas the tranny doesn’t hold the car back it goes into a coast. There is no fluid in the vacuum line at the modulator, vacuum line is good. Level is good.
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