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Old 03-18-2012, 02:20 PM   #13 (permalink)
drmiller100
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Join Date: Dec 2011
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the 4l60e is computer controlled. this means the computer sets the shift points by reading RPM, TPS, and vehicle speed.

without the computer the transmission start in second or third gear and stays there.

if you are ambitious, you can manually shift the transmission by manually controlling the shift solenoids.
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