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  1. GM Powertrain
    Hello, Swapping out a 700r4 for a 4L80E in a 92 RCSB. Using a TCI EZ-TCU as the Trans controller. Want to keep the factory gauges, etc. The VSS coming off the 700 is a 2 wire twisted pair. Can I tap into the rear output wires on the 4L80E to keep the DRAC happy? The TCI unit has a single...
  2. GM Powertrain
    I have a 87 suburban with a 700r4 behind a 350 tbi. The gentleman I got it from said he rebuilt the trans and it was his first ever rebuild, he talked about putting an upgraded forward sprag, and new low stall converter in it. He never put any miles on it due to a grinding noise he heard, that...
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